Stable EGFR and Erbb2 Conditional Knockdown Mouse Skin Keratinocyte (B1B2F3) Cell Line
Cat. No.
T3184
Unit
1x10⁶ cells / 1.0 ml
Price
Inquiry
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Sale of this item is subjected to the completion of a Material Transfer Agreement (MTA) by the purchasing institution.
For for-profit organizations, please contact quotes@abmgood.com for pricing.
Specifications
| Description |
Stable EGFR and Erbb2 Conditional Knockdown Mouse Skin Keratinocyte (B1B2F3) Cell Line stably expresses EGFR and Erbb2 (trypsine protein kinase receptors). It is a unique cell line in which conditional knockdown expression of the EGFR and the Erbb2 is facilitated by the presence of Cre virus due to the presence of the loxP insertion from the Egfrᶠˡᐟᶠˡ/Erbb2ᶠˡᐟᶠˡ FVB/N mice. |
| Cat. No. | T3184 |
| Name | Stable EGFR and Erbb2 Conditional Knockdown Mouse Skin Keratinocyte (B1B2F3) Cell Line |
| Unit | 1x10⁶ cells / 1.0 ml |
| Price | Inquiry |
| Category | Stable Cell Lines |
| Cell Type | Stable Cell Lines |
| Organism | Mouse (M. musculus) |
| Tissue | Skin |
| Donor History | Egfrᶠˡᐟᶠˡ/Erbb2ᶠˡᐟᶠˡ FVB/N mice |
| Cell Morphology | Cobble-stone |
| Growth Properties | Adherent, cobblestone |
| Seeding Density (cells/cm2) | 15,000 - 20,000 |
| Population Doubling Time | 28 - 38 |
| Expression | EGFR and Erbb2, conditional knockdown of EGFR and Erbb2 when cells are infected with the Cre recombinase-expressing adenovirus |
| Propagation Method |
Use of PriCoatTMT25 Flasks (G299) or Applied Cell Extracellular Matrix (G422) is required for cell adhesion to the culture vessels. Grow cells inECM-coated culture vessels unless otherwise specified in the Propagation Requirements below.
Thaw the cells with PriGrow XI (TM011) + 8% FBS + 60 µM CaCl₂ (added fresh each time) + 1% Penicillin/Streptomycin Solution (G255), 37.0°C, 8% CO₂ for optimal attachment. After 24h, change media to PriGrow XI (TM011) + 8% chelexed FBS + 1.4% FBS + 5 ng/ml rhFGF7 (Z100595) (freshly added) + 1% Penicillin/Streptomycin Solution (G255), 37.0°C, 8% CO₂ Steps to thaw the cells: |
| Growth Conditions | Use of PriCoat™ T25 Flasks (G299) or Applied Cell Extracellular Matrix (G422) is required for cell adhesion to the culture vessels. Thaw the cells with PriGrow XI (TM011) + 8% FBS + 60 µM CaCl₂ (added fresh each time) + 1% Penicillin/Streptomycin Solution (G255), 37.0°C, 8% CO₂ for optimal attachment. After 24h, change media to PriGrow XI (TM011) + 8% chelexed FBS + 1.4% FBS + 5 ng/ml rhFGF7 (Z100595) (freshly added) + 1% Penicillin/Streptomycin Solution (G255), 37.0°C, 8% CO₂ Steps to thaw the cells: 1. Thaw the cells in RT water until only a few ice crystals are left 2. Put the cells in 5 ml of RT PriGrow XI (TM011) + 8% FBS 3. Centrifuge the cells 1500 rpm for 5 min (need this step to remove inhibitors for attachment) 4. Resuspend the pellet in RT Prigrow XI (TM011) + 8% FBS + 1% P/S with freshly added 60 µM CaCl₂ and put the cells in a culture vessel at 37.0°C, 8% CO₂ 5. After 18h - 24h, change to PriGrow XI (TM011) + 8% chelexed FBS + 1.4% FBS + 5 ng/ml rhFGF7 (Z100595) (freshly added) + 1% Penicillin/Streptomycin Solution (G255), 37.0°C, 8% CO₂ for growth of the cells. |
| Subculture Protocol |
Volumes given below are for a T75 flask; proportionally increase or decrease the volume as required per culture vessel size. Subculture cells once the culture vessel is 80% confluent. 1. Aspirate the culture media, and add 2-3ml of pre-warmed 0.25% Trypsin-EDTA to the culture vessel. 2. Observe the cells under a microscope to confirm detachment (typically within 2-10 minutes). Cells that are difficult to detach can be put in 37°C, for several minutes to facilitate detachment. 3. Neutralize Trypsin-EDTA by adding an equal volume of the complete growth media into the culture vessel. 4. Transfer the culture suspension into a sterile centrifuge tube, and centrifuge at 125xg for 5 minutes. The actual centrifuge duration and speed may vary depending on the cell type. 5. Aspirate the supernatant, and re-suspend the pellet with pre-warmed fresh complete growth media. Add appropriate aliquots of the cell suspension to new culture vessels, as desired. 6. Incubate the cells at the recommended conditions. |
| QC |
1) Immunofluorescence staining was done to assess expression of keratinocyte markers; 2) Infection with Ad-Cre recombinase to assess conditional knockdown of EGFR and Erbb2. |
| Application | Research Use Only. |
| Storage Condition | Vapor phase of liquid nitrogen, or below -130°C. |
| BioSafety | II |
| Caution |
For Research Use Only |
| Disclaimer |
1. Sale of this item is subjected to the completion of a Material Transfer Agreement (MTA) by the purchasing individual/institution for each cell line. If you have any questions regarding this, please contact us at licensing@abmgood.com. 2. All test parameters provided in the CoA are conducted using abm's standardized culture system and The stated values may vary under the end-user's culture conditions. Please verify that the product is suitable for your studies by referencing published papers or ordering RNA (0.5 μg, Cat.# C207, $450.00) or cell lysate (100 μg, Cat.# C206, $600.00) to perform preliminary experiments, or alternatively use our Gene Expression Assay Service (Cat# C138). All sales are final. 3. We recommend live cell shipments for ease of cell transfer and this option can be requested at the time of order placement. Please note that the end-user will need to evaluate the feasibility of live cell shipment by taking into account the final destination's temperature variation and its geographical location. 4. All of abm's cell biology products are for research use ONLY and NOT for therapeutic/diagnostic applications. abm is not liable for any repercussions arising from the use of its cell biology product(s) in therapeutic/diagnostic or any other non-RUO application(s). 5. abm makes no warranties or representations as to the accuracy of the information on this site. Citations from literature are provided for informational purposes only. abm does not warrant that such information has been shown to be accurate. 6. abm warrants that cell lines shall be viable upon initiation of culture for a period of thirty (30) days after shipment and that they shall meet the specifications on the applicable abm Material Product Information sheet, certificate of analysis, and/or catalog description. Such thirty (30) day period is referred to herein as the "Warranty Period". |
| Depositor | Creighton University |
Documents
Supporting Protocol
STR
There are no STR for this product yet!
FAQs
| I want to make sure these cells express my gene of interest before I decide to buy the cell line. Can you provide a sample so this can be tested? | |
|
We do not perform extensive downstream characterization, or gene expression profiling of our cell lines. However, you can check the ‘References’ tab to see if a publication is available, or you can contact us to see if RNA or cell lysates are available for your cell line of interest. Please directly contact us for further information at quotes@abmgood.com.
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| Does abm's PriGrow series medium contain antibiotics? | |
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No, the medium does not contain antibiotics and needs to be supplemented by the end-user as desired.
|
| Do I need to use abm's media and Applied Cell Extracellular Matrix (G422) to culture my cells? | |
|
We strongly encourage using the recommended media and culture conditions described in the "Growth Conditions" section as they have been optimized for cell growth. Other supplier's media and coating conditions have not been tested.
|
| What is the difference between Applied Cell Extracellular Matrix (G422) and Collagen Coating? | |
|
The main component of our Applied Cell Extracellular Matrix (G422) is type I collagen specifically. For more information on abm's Applied Cell Extracellular Matrix please visit: http://www.abmgood.com/Applied-Cell-Extracellular-Matrix-G422.html.
|
| Do I have to use T25 ECM-coated flasks for growing the cells? | |
|
We strongly recommend thawing cells in the T25 flasks specified on the cell-specific product page to ensure optimal post-thaw recovery of the frozen cells before testing other culture vessels.
|
| If I want to plate these cells to multi-well plates (e.g. 96 well plates) or dishes, how should I prepare the plates? | |
| What percentage of Trypsin-EDTA should be used to subculture cells? Can I use Trypsin-EDTA containing phenol red? | |
|
The standard concentration used for subculturing is 0.25% Trypsin-EDTA, available at abm (Cat. No. TM050). Yes, Trypsin-EDTA containing phenol red can be used as it does not interfere with trypsinization.
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| How often do I need to change the media? | |
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Media should be changed every 2-3 days or as specified within the recommended growth conditions.
|
| Why are these cells classified as biosafety level II? | |
|
We follow the CDC-NIH recommendations that all mammalian sourced products should be handled at the Biological Safety Level 2 to minimize exposure of potentially infectious products. This information can be found in 'Biosafety in Microbiological and Biomedical Laboratories' (1999). Your institution's Safety Officer or Technical Services will be able to make the call as to whether BioSafety Level I is possible with these cells at your site, if desired.
|
| How long can I store frozen vials? | |
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Cells that are properly frozen using an effective cryoprotective agent can be stored in liquid nitrogen vapor phase (or below -130°C) indefinitely without affecting viability.
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| What is the recommended storage temperature for cells? | |
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In general, if you received:
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| Can I substitute heat-inactivated FBS with FBS or vice versa? | |
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FBS and heat-inactivated FBS are different in their composition; they cannot be substituted for one another.
|
| My cells are not detaching, what method do you recommend to trypsinize the cells? | |
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| How are live cells shipped? | |
|
Live cells are shipped as a live culture in a T12.5 flask. Cells are seeded at an optimal confluency to avoid metabolic waste build up during transport. In addition, we thoroughly test our cell lines for functional freeze-thaw recovery. For more information on how to handle live cells, please view our detailed instructions here (https://www.abmgood.com/uploads/document/Cell_Handling_Instructions_Upon_Arrival_150623.pdf).
|
| Why are cells not attaching and forming clumps after subculturing with trypsin? | |
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Cells form clumps and display attachment issues when the trypsinization agent is not effectively neutralized. To completely neutralize the trypsin agent, add an equal amount of complete growth media prior to centrifugation. Subtle changes in culture conditions, particularly in pH and the quality of serum used in the growth medium, may also affect the amount of clumping exhibited by the cells.
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| Why are my cells forming clumps after plating? | |
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It is important to ensure cell clumps are broken up through gentle re-suspension by pipetting up and down several times after pelleting cells by centrifugation. This will ensure a homogenous single cell suspension for even plating.
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| Do I need to add the selection drug to the complete growth medium? | |
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We recommend maintaining selection pressure using the drug concentration specified in the Growth Conditions section.
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| Where can I find the CoA for my product? | |
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Certificates of analysis can be found here (https://www.abmgood.com/CoA-Library.html).
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References
- Maklad, A et al. "The epidermal growth factor receptor is required for proper innervation to the skin" Journal for Investigative Dermatology 129(3):690-698 (2009). DOI: 10.1038/jid.2008.281.
- Hammiller, O et al. "A method for the immortalization of newborn mouse skin keratinocytes" Frontiers in Oncology 5:177 (2015). DOI: 10.3389/fonc.2015.00177.
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