Sack: Cell Plating for Electrophysiology

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Cell Plating for Electrophysiology<br>
Cell Plating for Electrophysiology<br>
Jon Sack Feb 3, 2011<br>
Jon Sack Feb 3, 2011<br>
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**Cell Media with Selection Agents (Zeocin and Blasticidin)
**Cell Media with Selection Agents (Zeocin and Blasticidin)
F12 from Gibco, 10% FBS, 1% Penicillin/Streptomycin, 1/10,000 Blasticidin, 1/4,000 Zeocin
F12 from Gibco, 10% FBS, 1% Penicillin/Streptomycin, 1/10,000 Blasticidin, 1/4,000 Zeocin
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*Return to [[Sack:Protocols]]
 

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Sack and Yarov-Yarovoy Labs

Department of Physiology and Membrane Biology
University of California, Davis

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Cell Plating for Electrophysiology
Jon Sack Feb 3, 2011
Ken Eum April 12, 2011 (Edit)

Notes: Steps should be done (not necessary if cell stock is only being used for plating cells for electrophysiology) inside of a Biological Safety Cabinet in Sterile conditions.

Procedures (in 35mm dish):

  1. Check under microscope to make sure that cells are less than 80% confluent
  2. Carefully remove (aspirate) the solution from the T-25 flask containing the cells
  3. Rinse with DPBS (Divalent free Dulbecco’s Phosphate Buffered Saline) ~ 5 mL
  4. Remove (aspirate) the DPBS solution
  5. Add 1 mL 0.05% Trypsin EDTA
  6. Place in 37° C incubator until cells detach from the dish ~ 5 min
    • Check under the microscope to make sure cells have detached. If the cells are not yet detached, lightly tap the dish against the table.
  7. Pipet up and down 5-10 times in the Biological Safety Cabinet
    • Check under the microscope to make sure the cells are dispersed into single cells.
  8. Add 2 mL of Cell Media with selection agents into new 35mm dishes
  9. Add 1 drop of the trypsinized cells into each 35mm dish with the Cell Media
  10. Swirl the dish or pipet up and down
  11. If using Kv2.1 T-Rex CHO cells, add tetracycline (1µg/mL) for 1 hour. After 1 hour, replace with fresh media or the external solution for electrophysiology recordings.
  12. Label the Dish: Name, Date, Cell Line, Passage #, Ratio
  • Cell Media: Ham’s – F12 from Gibco, 10% FBS, 1% Penicillin/Streptomycin

To make add 50 mL Media + 50 mL FBS

    • Cell Media with Selection Agents (Zeocin and Blasticidin)
F12 from Gibco, 10% FBS, 1% Penicillin/Streptomycin, 1/10,000 Blasticidin, 1/4,000 Zeocin
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