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Effect of Aβ peptide 1–42 addition on the NXN gene during the differentiation period. mRNA expression relative to the geometric mean of ACTB and GAPDH housekeeping genes expression (A). DNA methylation level in the extended mapping amplicon (B) were determined for the controls and Aβ peptide-treated neural progenitor cells on days 9, 19, and 29. Vertical lines represent the SEM. * p-value < 0.05.
