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F98 EGFR

CRL-2948

Product category
Animal cells
Organism
Rattus norvegicus, rat
Morphology
glial
Tissue
Brain
Disease
Undifferentiated Malignant Glioma
Applications
3D cell culture
Neuroscience
Product format
Frozen
Storage conditions
Vapor phase of liquid nitrogen
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Documentation

ATCC determines the biosafety level of a material based on our risk assessment as guided by the current edition of Biosafety in Microbiological and Biomedical Laboratories (BMBL), U.S. Department of Health and Human Services. It is your responsibility to understand the hazards associated with the material per your organization’s policies and procedures as well as any other applicable regulations as enforced by your local or national agencies.

ATCC highly recommends that appropriate personal protective equipment is always used when handling vials. For cultures that require storage in liquid nitrogen, it is important to note that some vials may leak when submersed in liquid nitrogen and will slowly fill with liquid nitrogen. Upon thawing, the conversion of the liquid nitrogen back to its gas phase may result in the vial exploding or blowing off its cap with dangerous force creating flying debris. Unless necessary, ATCC recommends that these cultures be stored in the vapor phase of liquid nitrogen rather than submersed in liquid nitrogen.

Required Products

These products are vital for the proper use of this item and have been confirmed as effective in supporting functionality. If you use alternative products, the quality and effectiveness of the item may be affected.

Detailed product information

General

Specific applications

This cell line has been used for in vivo studies of molecular targeting of EGFR in synegeneic Fischer Rats using either the ligand EGF RefBarth RF, et al. Molecular targeting of the epidermal growth factor receptor for neutron capture therapy of gliomas. Cancer Res. 62(11): 3159-3166, 2002. PubMed: 12036929 or monoclonal antibodies directed against it. RefWu G, et al. Molecular targeting and treatment of an epidermal growth factor receptor-positive glioma using boronated cetuximab. Clin. Cancer Res. 13(4): 1260-1268, 2007. PubMed: 17317838


Characteristics

Growth properties
Adherent
Derivation
The F98EGFR was produced by transfecting parental F98 rat glioma cells (ATCC CRL-2397) with an expression vector containing human, wildtype EGFR cDNA.
Age
20 days gestation
Tumorigenic
Yes;
tumorigenic in syngeneic Fischer rats
Expression markers
Epidermal growth factor receptor (EGFR), expressed (verified at ATCC)
Comments

F98EGFR cells express approximately 5 x 105 non-functional EGFR sites per cell compared with an undetectable number of EGFR sites on F98 parental cells.

Handling information

Unpacking and storage instructions
  1. Check all containers for leakage or breakage.
  2. Remove the frozen cells from the dry ice packaging and immediately place the cells at a temperature below ­-130°C, preferably in liquid nitrogen vapor, until ready for use.
Complete medium
The base medium for this cell line is ATCC-formulated Dulbecco's Modified Eagle's Medium, Catalog No. 30-2002. To make the complete growth medium, add the following components to the base medium:
  • 0.2 mg/ml G -418
  • fetal bovine serum to a final concentration of 10%
  • Temperature
    37°C
    Atmosphere
    95% Air, 5% CO2
    Handling procedure

    To insure the highest level of viability, thaw the vial and initiate the culture as soon as possible upon receipt. If upon arrival, continued storage of the frozen culture is necessary, it should be stored in liquid nitrogen vapor phase and not at -70°C.  Storage at -70°C will result in loss of viability.

    1. Thaw the vial by gentle agitation in a 37°C water bath. To reduce the possibility of contamination, keep the O-ring and cap out of the water. Thawing should be rapid (approximately 2 minutes).
    2. Remove the vial from the water bath as soon as the contents are thawed, and decontaminate by dipping in or spraying with 70% ethanol. All of the operations from this point on should be carried out under strict aseptic conditions.
    3. Transfer the vial contents to a centrifuge tube containing 9.0 mL complete culture medium and spin at approximately 125 x g for 5 to 10 minutes.
    4. Resuspend cell pellet with the recommended complete medium (see the specific batch information for the culture recommended dilution ratio) and dispense into a 25 cm2 or a 75 cm2 culture flask.  It is important to avoid excessive alkalinity of the medium during recovery of the cells. It is suggested that, prior to the addition of the vial contents, the culture vessel containing the complete growth medium be placed into the incubator for at least 15 minutes to allow the medium to reach its normal pH (7.0 to 7.6).
    5. Incubate the culture at 37°C in a suitable incubator.  A 5% CO2 in air atmosphere is recommended if using the medium described on this product.
    Subculturing procedure
    Volumes used in this protocol are for 75 cm2 flasks; proportionally reduce or increase amount of dissociation medium for culture vessels of other sizes.
    1. Remove and discard culture medium.
    2. Briefly rinse the cell layer with Ca++/Mg++ free Dulbecco's phosphate-buffered saline (D-PBS) or 0.05% (w/v) Trypsin - 0.53 mM EDTA solution to remove all traces of serum which contains trypsin inhibitor.
    3. Add 2.0 to 3.0 mL of Trypsin-EDTA solution to flask and observe cells under an inverted microscope until cell layer is dispersed (usually within 5 to 15 minutes).
      Note: To avoid clumping do not agitate the cells by hitting or shaking the flask while waiting for the cells to detach. Cells that are difficult to detach may be placed at 37°C to facilitate dispersal.
    4. Add 6.0 to 8.0 ml of complete growth medium and aspirate cells by gently pipetting.
    5. Add appropriate aliquots of the cell suspension to new culture vessels.


    Note: If cells are cultured continuously, add 0.6 mg/mL G-418 to the complete growth medium for a passage about once a month.

    Subcultivation ratio: A subcultivation ratio of 1:6 to 1:10 is recommended.

    Medium renewal: Every 2 to 3 days.

    Quality control specifications

    Mycoplasma contamination
    Not detected

    History

    Depositors
    RF Barth
    Year of origin
    1999

    Legal disclaimers

    Intended use
    This product is intended for laboratory research use only. It is not intended for any animal or human therapeutic use, any human or animal consumption, or any diagnostic use.
    Warranty

    The product is provided 'AS IS' and the viability of ATCC® products is warranted for 30 days from the date of shipment, provided that the customer has stored and handled the product according to the information included on the product information sheet, website, and Certificate of Analysis. For living cultures, ATCC lists the media formulation and reagents that have been found to be effective for the product. While other unspecified media and reagents may also produce satisfactory results, a change in the ATCC and/or depositor-recommended protocols may affect the recovery, growth, and/or function of the product. If an alternative medium formulation or reagent is used, the ATCC warranty for viability is no longer valid.  Except as expressly set forth herein, no other warranties of any kind are provided, express or implied, including, but not limited to, any implied warranties of merchantability, fitness for a particular purpose, manufacture according to cGMP standards, typicality, safety, accuracy, and/or noninfringement.

    Disclaimers

    This product is intended for laboratory research use only. It is not intended for any animal or human therapeutic use, any human or animal consumption, or any diagnostic use. Any proposed commercial use is prohibited without a license from ATCC.

    While ATCC uses reasonable efforts to include accurate and up-to-date information on this product sheet, ATCC makes no warranties or representations as to its accuracy. Citations from scientific literature and patents are provided for informational purposes only. ATCC does not warrant that such information has been confirmed to be accurate or complete and the customer bears the sole responsibility of confirming the accuracy and completeness of any such information.

    This product is sent on the condition that the customer is responsible for and assumes all risk and responsibility in connection with the receipt, handling, storage, disposal, and use of the ATCC product including without limitation taking all appropriate safety and handling precautions to minimize health or environmental risk. As a condition of receiving the material, the customer agrees that any activity undertaken with the ATCC product and any progeny or modifications will be conducted in compliance with all applicable laws, regulations, and guidelines. This product is provided 'AS IS' with no representations or warranties whatsoever except as expressly set forth herein and in no event shall ATCC, its parents, subsidiaries, directors, officers, agents, employees, assigns, successors, and affiliates be liable for indirect, special, incidental, or consequential damages of any kind in connection with or arising out of the customer's use of the product. While reasonable effort is made to ensure authenticity and reliability of materials on deposit, ATCC is not liable for damages arising from the misidentification or misrepresentation of such materials.

    Please see the material transfer agreement (MTA) for further details regarding the use of this product. The MTA is available at www.atcc.org.

    Permits & Restrictions

    Import Permit for the State of Hawaii

    If shipping to the U.S. state of Hawaii, you must provide either an import permit or documentation stating that an import permit is not required. We cannot ship this item until we receive this documentation. Contact the Hawaii Department of Agriculture (HDOA), Plant Industry Division, Plant Quarantine Branch to determine if an import permit is required.

    MORE INFORMATION ABOUT PERMITS AND RESTRICTIONS

    Frequently Asked Questions

    References

    Curated Citations

    Yang W, et al. Convection enhanced delivery of boronated epidermal growth factor for molecular targeting of EGFR positive gliomas. Cancer Res. 62: 6552-6558, 2002. PubMed: 12438250

    Barth RF, et al. Molecular targeting of the epidermal growth factor receptor for neutron capture therapy of gliomas. Cancer Res. 62(11): 3159-3166, 2002. PubMed: 12036929

    Wu G, et al. Targeted delivery of methotrexate to epidermal growth factor receptor-positive brain tumors by means of cetuximab (IMC-C225) dendrimer bioconjugates. Mol. Cancer Ther. 5(1): 52-59, 2006. PubMed: 16432162.

    Wu G, et al. Molecular targeting and treatment of an epidermal growth factor receptor-positive glioma using boronated cetuximab. Clin. Cancer Res. 13(4): 1260-1268, 2007. PubMed: 17317838

    Yang W, et al. Molecular targeting and treatment of composite EGFR and EGFRvIII-positive gliomas using boronated monoclonal antibodies. Clin. Cancer Res. 14(3): 883-891, 2008. PubMed: 18245552

    Need assistance with this product? Contact our Technical Support team.

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