Difference between revisions of "Sack: Thawing CHOcells"

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(New page: Thawing CHO Cells Jon Sack April 11, 2011<br> Ken Eum July 9, 2012<br> Basic Idea- Thaw fast in a happy place<br> # Add 5ml of cell media (F12 + 10% FBS) without antibiotics or selection...)
 
 
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Thawing CHO Cells
 
Thawing CHO Cells
 
Jon Sack April 11, 2011<br>
 
Jon Sack April 11, 2011<br>
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# Change media 4-20 hours later, include pen/strep and selection agents
 
# Change media 4-20 hours later, include pen/strep and selection agents
 
# Split cells before 80% confluent
 
# Split cells before 80% confluent
 
 
 
*Return to [[Sack:Protocols]]
 

Latest revision as of 16:13, 15 January 2013


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Thawing CHO Cells Jon Sack April 11, 2011
Ken Eum July 9, 2012

Basic Idea- Thaw fast in a happy place

  1. Add 5ml of cell media (F12 + 10% FBS) without antibiotics or selection agent to two 25cm2 flasks and place into 37° C incubator for 1 hour
  2. Remove cells from liquid nitrogen freezer
    • make sure to transport on dry ice and note removal in the liquid nitrogen log
    • KEEP THE CELLS FROZEN ON DRY ICE
  3. Place tube of cells into the water bath for 1-2 min
    • Thaw the cells quickly
  4. As soon as the cell are thawed, add 2 drops to 1 flask and the rest to the 2nd flask
  5. Place flasks into the 37° C incubator
  6. Change media 2 hours later with pen/strep
    • No selection agents
  7. Change media 4-20 hours later, include pen/strep and selection agents
  8. Split cells before 80% confluent