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TASKWhoDunnitObserved
Split cellsAG, CR, LA, SSAW
Seed platesAG, CR, LA, SSAW
TransfectionAG, LAAC, SS
FACs PrepLACR
Imaging (FloCyto)BTAG, AW, CR, JX, LA

 

Practice Transfections:

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CONTROLS:

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  1. -ve/-ve: no actions performed on cells
  2. -ve: perform protocol, excluding DNA, or with dummy DNA
  3. +ve: tri-color control (perform experiments with YFP, BFP, mKATE separately, and one with all 3: allows for comparison of color/intensity when imaging)

 


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PRACTICE #1: Fluorescent protein under constitutive promoter

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11 complete 6/23: Seed cells 12 complete 6/24: Transfect hEF1a:eYFP into HEK cells 13 complete 6/26 (4.30pm): Flow Cytometer
  • Determine optimal Lipofectamine LTX volume (24 well)
  • Determine transfection efficiency (quantitatively)

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PRACTICE #2: Co-transfection (2 fluorescent proteins under constitutive promoter)

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22 incomplete 7/2: Seed cells 23 incomplete 7/3: Transfect hEF1a:eYFP and hEF1a:mKate into HEK cells 24 incomplete 7/5 (__pm): Flow Cytometer

 

Y1
  • hEF1a:eYFP
(Y+R)1
  • hEF1a:eYFP
  • hEF1a:mKate
 ////// ////// ////// -ve control
  • dummy DNA
  • with Lipofectamine
Y2
  • hEF1a:eYFP
(Y+R)2
  • hEF1a:eYFP
  • hEF1a:mKate
 ////// ////// ////// -ve control
  • dummy DNA
  • with Lipofectamine
R1
  • hEF1a:mKate
(Y+R)3
  • hEF1a:eYFP
  • hEF1a:mKate
 ////// ////// ////// -ve/-ve control
  • no DNA
  • no Lipofectamine
R2
  • hEF1a:mKate
(Y+R)4
  • hEF1a:eYFP
  • hEF1a:mKate
 ////// ////// ////// -ve/-ve control
  • no DNA
  • no Lipofectamine

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PRACTICE #3: Fluorescent protein under inducible promoter

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14 incomplete 7/_: Seed cells 15 incomplete 7/_: Transfect TRE:mKate, hEF1a:rtTA and hEF1a:eYFP (transfection marker) into HEK cells 16 incomplete 7/_: Add DOX 18 incomplete 7/_ (__pm): Flow Cytometer

 

+ve control
  • hEF1a:eYFP
+ve control
  • hEF1a:eYFP
-ve control
  • dummy DNA
  • with Lipofectamine
-ve control
  • dummy DNA
  • with Lipofectamine
-ve/-ve control
  • no DNA
  • no Lipofectamine
-ve/-ve control
  • no DNA
  • no Lipofectamine
////////////////////////////////////
(D=0)1
  • no DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=0.2
  • 0.2uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=1
  • 1uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=1.5
  • 1.5uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=3
  • 3uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=4
  • 4uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
(D=0)2
  • no DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=6
  • 6uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=7.5
  • 7.5uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=10
  • 10uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=17
  • 17uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate
D=30
  • 30uM DOX
  • hEF1a:eYFP
  • hEF1a:rtTA
  • TRE:mKate

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PRACTICE #4**: Co-transfection (2 fluorescent proteins under constitutive & inducible promoters)

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29 incomplete 7/_: Seed cells 30 incomplete 7/_: Transfect hEF1a:eYFP, TRE:mKate and hEF1a:rtTA** into HEK cells 31 incomplete 7/_: Add DOX 32 incomplete 7/_ (__pm): Flow Cytometer