PC3 cells were a generous gift from Dr. Carrie Rinker-Schaeffer. TRAMPC2, DU145, and LNCaP cells were purchased from ATCC, and ARCaPM obtained from Novicure Biotechnology. PC3 and ARCaPM cell line variants were generated as previously described [9 (link)]. Antibodies used for Western blot analysis or multiplexed quantum dot labeling (mQDL) were: anti-FYN antibody (Cell Signaling #4023 or Santa Cruz #sc16), phospho-MET (#3126) and total MET (#4560) obtained from Cell Signaling. Anti-CD44 (sc-7297); anti-CD56 (sc-7326); anti-CHGA (sc-13090), anti-SYP (sc-17750), all obtained from Santa Cruz. Other common reagents for mQDL were used as described previously [39 , 40 (link)]. Recombinant human HGF was purchased from Calbiochem (Millipore).
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