Luciferase Assay
To make 1X Cell Lysis Buffer:
Note: This recipe is for 24 samples ONLY- please use accompanying chart for different sample sizes!!
(for 24 samples at 24-well-plate)
Lysis Stock (5X) | 1540µl |
Water | 6160µl |
(for 24 samples at 12-well-plate)
Lysis Stock (5X) | 2980µl |
Water | 11920µl |
Home made Cell Lysis Buffer (5X)
125µM Tris-PO4, 10µM DTT (dithiotretiol), 10µM CDTA (Sigma D0922), 50% Glycerol, 5% Triton x-100)
150ml |
|
---|---|
1M Tris-PO4 | 18.75ml |
DTT | 0.23g |
CDTA | 0.52g |
Glycerol | 75ml |
Triton X-100 | 7.5ml |
H2O | 48.75ml |
GME Buffer (1X)
(25mM Glycylglyine (Sigma G2265) , 15mM MgSO4, 4mM EGTA)
0.5M Glycylglycine | 25ml |
1M MgSO4 | 7.5ml |
0.5M EGTA | 11ml |
H2O | 456.5ml |
ATP (Sigma A7699)
1g in 4.7ml H2O
100µl aliquots stored at -20ºC
Protocol
1) Aspirate media from wells
2) Wash wells with PBS briefly
3) Add 400µl/well (12-well/plate) or 200µl/well (24-well/plate) 1X Cell Lysis buffer and lyse for 10-15min while occasionally shaking plate.
4) Transfer supernatant to a fresh epi tube.
5) Briefly spin at 13K for 30sec-1min to pellet debris.
6) Transfer 200µl of supernatant (without contaminating debris) to glass tube for assay.
Note: This recipe is for 24 samples ONLY- please use accompanying chart for different sample sizes!!
Prepare Luciferase Subtrate Solution (Injector 1)
Luciferase Substate Stock | 880µl |
GME | 3520µl |
Prepare Mix Solution (Injector 2)
GME | 8700µl |
1M K3PO4 | 174µl |
0.2M ATP | 116µl |
1M DTT | 11.6µl |