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In vitro amplification of imprinted gene H19 by agarose gel electrophoresis. (A) Marker, DNA electrophoresis 100 bp marker (DL 2000); lane 1, DNA amplification fragments of the H19 DMR in the normal control group. (B) Marker, DNA electrophoresis 100 bp marker (DL 2000); lanes 1 and 2, DNA amplification fragments of the H19 DMR in the experimental group. DMR, differential methylation region.
