Senescent-associated b-Gal Assay
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Senescent-associated b -Gal Assay
- Wash cells with PBS
- Fix cells in 0.2% glutaraldehyde for 5’
- Wash cell with PBS
- Stain with X-gal solution (ingredients listed below) for 6 to 24 hours at 37°C
Chemical Conc. |
Stocks | Amount needed for 10 plates (40 ml) |
1 mg/ml X-gal | 40 mg/ml | 1 ml |
150 mM NaCl | 5 M | 1.2 ml |
2 mM MgCl2 | 1M | 80 μl |
5 mM K3 Fe(CN)6 | 100 mM | 2 ml |
5 mM K4 Fe(CN)6 | 100 mM | 2 ml |
40 mM NaPi, pH 6.0 | 0.1M |
16 ml
17.72 ml dd H2 O |
NaPi - 0.1M at pH 6.0
- 2.5 ml Na2 HPO4
- 17.6 ml NaH2 PO4
- dd H2 O to 200 ml