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Figure 3 | BMC Cancer

Figure 3

From: GP88 (PC-Cell Derived Growth Factor, progranulin) stimulates proliferation and confers letrozole resistance to aromatase overexpressing breast cancer cells

Figure 3

GP88 induces anchorage independent colony formation and confers letrozole resistance comparable to E2. A: AC1 cells (1 × 104 cells/well in 6-well plate) were plated in soft agar plates as described in the Method section in (A) PRF-ChX with and without 300 ng/ml GP88 (P), 25 nM androstenedione (AD) and 200 nM letrozole (L) for 2 weeks. (B) in DMEM/F12 supplemented with 5%FBS, E2 = 10-8 M, 25 nM AD, +/- 300 ng/ml GP88 cultured for 3weeks. Fresh medium was added every 3 to 4 days. At the end of the experiment, colonies were fixed with crystal violet and counted, p < 0.01

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