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HeLa Cell Line

General Information
OrganismHomo sapiens, human
Cell Line DescriptionA derivative of HeLa, the first aneuploid, epithelial-like line derived from human tissue and maintained by serial subculture. Identified as a contaminant in a number of subsequently derived lines, due to poor culture techniques. Susceptible to Poliovirus type I and adenovirus type 3.
Tissue of OriginHuman cervix carcinoma
Age31 years adult
GenderFemale
EthnicityBlack
Cell TypeEpithelial
Product FormatFrozen
Growth ModeAdherent
ApplicationsThese cells are a suitable transfection host. And the cell line can be used to screen for Escherichia coli strains with invasive potential.
Shipped inDry ice
Storage Temperature−196°C
Culture Conditions and Handling
Subculturing

Volumes are given for a 75 cm2 flask. Proportionally increase or reduce the amount of dissociation medium for culture vessels of other sizes.

  1. Remove and discard culture medium.
  2. Briefly rinse the cell layer with 0.25% (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.
  6. Incubate cultures at 37°C.
Subcultivation RatioThe ratio of 1:2 to 1:6 is recommended.
Fluid Renewal2 to 3 times per week
Freeze MediumComplete growth medium 95%; DMSO, 5%
Culture Temperature37°C
AtmosphereAir, 95%; carbon dioxide (CO2), 5%

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* For research use only. Not intended for any clinical use.
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