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. 2021 Feb 16;11(2):296. doi: 10.3390/biom11020296

Figure 2.

Figure 2

Differences of FMR1 methylation during differentiation of human embryonic stem cells (hESCs) derived from normal and FXS individuals: Both normal and FXS hESC have an unmethylated FMR1 promoter and similar FMR1 expression levels. Upon differentiation, the FMR1 promoter and the CGG expansion become hypermethylated in FXS hESCs, with the subsequent decrease of the FMR1 expression level. Created with BioRender.com.