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HFF-1 IRR

SCRC-1041.1

HFF-1 IRR is a fibroblast cell that was isolated from the foreskin of a donor. The irradiated cells can be used as feeder cells to support the growth of stem cells in the undifferentiated state.
Product category
Human cells
Organism
Homo sapiens, human
Cell type
fibroblast
Morphology
Fibroblast
Tissue
Skin; Foreskin
Applications
Stem cell research
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
Irradiated cells for use as feeder layer. These cells are provided to be used as feeder cells to support the growth of stem cells in the undifferentiated state.

Characteristics

Growth properties
Adherent
Age
neonate
Gender
Male
Comments

Once the feeder cells have attached, the culture medium can be changed to accommodate the cells to be supported. It is recommended that the feeder cells be plated 24 hours before use at 5 to 6 X 106/T75 in order to obtain a 100% confluent monolayer for stem cells growth.

These cells have been growth-arrested by irradiation with 6,000 rads.  The cells will begin to deteriorate 2 weeks after plating and may no longer support the growth of other cells. We recommend that you do not keep the cells in culture for longer than 2 weeks.


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:
  • fetal bovine serum to a final concentration of 15%

  • This medium is formulated for use with a 5% CO2 in air atmosphere. (Standard DMEM formulations contain 3.7 g/L sodium bicarbonate and a 10% CO2 in air atmosphere is then recommended).
    Temperature
    37°C
    Atmosphere
    95% Air, 5% CO2
    Handling procedure

    To insure the highest level of viability, be sure to warm media to 37°C before using it on the cells. It is not necessary to coat the culture vessel prior to thawing the cells.

    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. 
    2. Remove the vial from the water bath as soon as the contents are half way thawed (approximately 90 seconds), 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’s contents plus 5 mL of complete growth medium to a 15 mL centrifuge tube. Use an additional 1 mL of media to rinse the vial and transfer the liquid to the 15 mL tube. Add 4 mL of complete growth media to bring the total volume to 10 mL.
    4. Gently mix and pellet the cells by centrifugation @ 271 x g for 5 minutes.
    5. Discard the supernatant, resuspend the cells with fresh growth medium, and transfer to the appropriate size flask.
    6. Incubate 37°C in a 5% CO2 in air atmosphere.
    7. Fluid change twice a week or when pH decreases. 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 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).

    Medium Renewal: Twice a week or as pH decreases

    Quality control specifications

    Mycoplasma contamination
    Not detected
    STR profiling
    Amelogenin: X,Y
    CSF1PO: 7,11,12,13
    D13S317: 11,13
    D16S539: 10,12
    D5S818: 11
    D7S820: 9,10,12
    TH01: 7,9,9.3
    TPOX: 8,11
    vWA: 14,15,17,19
    D3S1358: 15,17,18
    D21S11: 28,30,32.2
    D18S51: 10,13,16
    Penta_E: 7,12,21
    Penta_D: 9,12,13,16
    D8S1179: 10,14,15
    FGA: 19,21,22,25
    D19S433: 13,14,15
    D2S1338: 17,19,20

    History

    Depositors
    ATCC
    Year of origin
    2003
    Special collection
    NSCR (National Stem Cell Resource)

    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

    References

    Curated Citations

    Amit M, et al. Human feeder layers for human embryonic stem cells. Biol. Reprod. 68: 2150-2156, 2003. PubMed: 12606388

    Hovatta O, et al. A culture system using human foreskin fibroblasts as feeder cells allows production of human embryonic stem cells. Hum. Reprod. 18: 1404-1408, 2003. PubMed: 12832363

    Andrews P, et al. Human embryonic fibroblast feeder cells. International Patent Application WO 03/078611 A1

    Hay RJ, Caputo JL, Macy, ML, Eds. (1992) ATCC Quality Control Methods for Cell Lines. 2nd edition, Published by ATCC.

    Caputo JL. Biosafety procedures in cell culture. J. Tissue Culture Methods 11:223-227, 1988

    View All Curated Citations for this Product

    Frequently Asked Questions

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

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