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HFF-1

SCRC-1041

HFF-1 SCRC-1041 is a fibroblast cell that was isolated from the foreskin of a donor. The cells can be used to produce feeder cells.
Product category
Human cells
Organism
Homo sapiens, human
Cell type
fibroblast
Morphology
fibroblast
Tissue
Skin; Foreskin
Disease
Normal
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
Can be used to produce feeder cells

Characteristics

Growth properties
Adherent
Derivation
The cell line was established by ATCC in 2003 from normal human foreskin pooled from two individuals.
Age
neonate
Gender
Male
Comments
The growth of these cells should be arrested before being used as a feeder layer. ATCC has successfully irradiated (ATCC SCRC-1041.1) and treated the cells with Mitomycin C (ATCC SCRC-1041.2) for use as a feeder layer. If the HFFs are being used as a feeder layer for ES cells, it is not recommended to use them past PDL 45. It is recommended that the feeder cells be plated 24 hours before use at 5 x 104 cells/cm2 in order to obtain a supportive monolayer for stem cell growth.

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
    It is not necessary to coat flasks with gelatin prior to plating cells, if tissue culture quality flasks are used. To insure the highest level of viability, be sure to warm media to 37°C before using it on the cells. Cells should be plated at a minimum cell density of 0.8X104 cells/cm2.
    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 @ 270 xg for 5 minutes.
    5. Discard the supernatant and resuspend the cells with 10 mL fresh growth medium (warm) and plate the cells at seed density of 0.8 X104 cells/cm2.
    6. Add more fresh growth medium (warm) to obtain the total volume recommended for the flask.
    7. Incubate 37°C in a 5%CO2 in air atmosphere.

    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).

    Subculturing procedure

    Procedure:
    To insure the highest level of viability, be sure to warm media and Trypsin/ EDTA to 37ºC before using it on the cells.

    Cells should be split when they reach confluency. A split ratio of 1:5 to 1:7 is recommended. Volumes used in this protocol are for 225 cm2 (T225); proportionally reduce or increase amount of dissociation medium for culture flasks of other sizes.

    1. Remove and discard culture medium.
    2. Briefly rinse the cell layer with 1X PBS (SCRR-2201) solution to remove all traces of serum, which contain trypsin inhibitor.
    3. Add 5 mL of Trypsin-EDTA (0.25% (w/v) Trypsin-0.53 mM EDTA solution, ATCC# 30-2101) solution to flask and incubate for 1 minute, gently tapping the flask observe cells under an inverted microscope until cells detach (usually within 1 to 2 minutes).
    4. Add 6.0 to 8.0 mL of complete growth medium and rinse surface of the flask to detach all cells. Gently pipetting up and down will break cell clumps.
    5. Transfer all cells into a centrifuge bottle or tube and centrifuge at 270 xg for 5 minutes.
    6. Remove and discard the supernatant
    7. Add 10 mL complete growth medium to cell pellet and with 10 mL pipette resuspend the cells gently (create a single-cell suspension).
    8. Add more complete growth medium to cell suspension as needed to plate cells at approximately 5x106/T225 flask.
    9. Place flasks in incubator @ 37°C with a 5% CO2 in air atmosphere.

    Flask/Plate 

     

    Growth Area (cm2

     

    1xPBS (mL) 

     

    Trypsin/EDTA (mL) 

     

    Equal vol. Complete Growth Medium (mL)

     

    Growth Medium (mL) 

     

    T225 

     

     225

     

    10 ± 0.2 

     

    6 ± 0.2 

     

     6 ± 0.2

     

     30

     

     75

     

     75

     

    5 ± 0.1 

     

     3 ± 0.1

     

     3 ± 0. 1

     

     12

     

     T25

     

     25

     

    3 ± 0.1 

     

    1.5 ± 0.1 

     

     1.5 ± 0.1

     

     6

     

     6 well

     

     9.5

     

     1 ± 0.1

     

    1 ± 0.1 

     

     1 ± 0.1

     

     3

     

    Note: For more information on enzymatic dissociation and subculturing of cell lines consult Chapter 13 in Culture of Animal Cells, a manual of Basic Technique by R. Ian Freshney, 5th edition, published by Alan R. Liss, N.Y., 1994.  

    Subcultivation Ratio: A subcultivation ratio of 1:5 to 1:7 is recommended
    Medium Renewal: Twice a week or as pH decreases
    Reagents for cryopreservation
    Dulbecco’s Modified Eagle’s Medium 30-2002, 7% FBS, 10% (v/v) DMSO. Lots produced prior to May 2019 may have used a different cryopreservation medium (complete growth medium supplemented with an additional 40% FBS and 10% (v/v) DMSO), contact Technical Support for further details.

    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

    Frequently Asked Questions

    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

    Freshney RI. Culture of Animal Cells: A Manual of Basic Technique, 5th edition. New York: Wiley Liss; 2005. For more information on enzymatic dissociation and subculturing of cell lines see Chapter 13.

    For product-related inquiries and issues, contact Technical Service:

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