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Mapping cyclin gene expression. Fold differences relative to 0-h control in rhodamine low and Hoechst low (LRH) stem cells cultured in TPO, FLT3, and steel factor. Number of experiments (n) is 2 for all values except 32-h samples (n = 6): cyclin D1; cyclin A1; cyclin A2; 40-h samples (n = 4); 48-h samples (n = 3). Statistical significance by Student's t-test: *P ≤ 0.05; †P < 0.01; ‡P ≤ 0.005.
