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Increased proliferation and migration of the PC3‐IL4 CD44high/CD49bhigh subpopulation. Functional comparison of the PC3‐IL4 CD44low/CD49blow and CD44high/CD44bhigh subpopulations. (A) Cell viability was determined by the EZ4U assay. (B) Cellular proliferation was assessed by measurement of [3H] Thymidine Incorporation. (C) Migration and (D) invasion through Matrigel were assessed by Boyden Chamber assays (n = 3, *P ≤ 0.05, **P ≤ 0.01)
