| | Product | Supplier | Product number | Molecular weight of the band in western blots | Final concentration/dilution (for antibody) used |
| | EGF | Sigma-Aldrich, St. Louis, MO, USA | E-6135 | — | 10 ng |
| | PDGF-BB | Sigma-Aldrich, St. Louis, MO, USA | P-3201 | — | 15 ng |
| | Sodium butyrate (n-butyric acid, sodium salt) | Sigma-Aldrich, St. Louis, MO, USA | B-5887 | — | 2 mM |
| Anti-EGF-R antibody
Ab-6 | Oncogene Research Product, Boston, MA, USA | Catalogue number PC98 | 185 kDa | 1 : 1000 |
| | Anti-β-PDGF-R antibody | BD Biosciences (BD Pharmingen), Singapore | Catalogue number 554288 (BD Biosciences)
15746E (BD Pharmingen) | 180 kDa major;
160 kDa minor | 1 : 1000 |
| | Anti-HDAC1 antibody | Sigma-Aldrich, St. Louis, MO, USA | H3284 | 65 kDa | 1 : 2000 |
| | Anti-P21 antibody | Sigma-Aldrich, St. Louis, MO, USA | P1484 | 21 kDa | 1 : 1000 |
| | Anti-pRb antibody | Santa Cruz Biotechnology, Inc., Santa Cruz, CA, USA | Rb (Rb1): sc-73598 | 110 to 114 kDa | 1 : 500 |
| | γ-tubulin antibody | Sigma-Aldrich, St. Louis, MO, USA | T5326 | 50 kDa | 1 : 1000 |
| | Alkaline phosphatase conjugated protein A (secondary antibody) | Calbiochem, Nottingham, UK | 539251 | — | 1 : 1000 |
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