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Schematic localization of recognized sequences in the gene encoding OCT4. (a) E1a‐E5 exons. (b) Analysis of POU5F1 expression in peripheral blood total nucleated cells (PB TNC) of patients (mean ± standard deviation, n = 8, randomly chosen patients). Primers A and B provide false‐positive signals. (c) Primers by Nowak et al. produce no signal. Comparison of signal from NTERA‐2 human embryonal carcinoma cell line (positive control) and PB TNC using primers by Nowak et al.
