TR146 cells were lysed with modified RIPA lysis buffer (32 (link)) containing phosphatase (Sigma-Aldrich) and protease inhibitors (Perbio Science) and separated on 12% SDS-PAGE before being transferred to nitrocellulose membrane. Memrbanes were incubated with primary antibody overnight and developed using the Immobilon ECL reagent (Millipore) ebore being exposed to X-ray film.