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Table 1 Imprinting status in different pig tissues and for three development stages expressed as ratio of paternal to maternal IGF2 gene expression.

From: Relationship of porcine IGF2 imprinting status to DNA methylation at the H19 DMD and the IGF2 DMRs 1 and 2

Tissue Ratio paternal to maternal gene expression (± SD)
Adult liver (N = 6) 4.2 (± 6.2)
Newborn liver (N = 2) 21.3 (± 0.01)
Foetal liver (N = 2) Paternal expression
Adult muscle (N = 6) 9.2 (± 6.2)
Newborn muscle (N = 2) 19.9 (± 6.0)
Foetal muscle (N = 2) Paternal expression (N = 1) and 14 (N = 1))
Adult kidney (N = 6) 22.9 (± 10.2)
Newborn kidney (N = 1) 34.0
Foetal kidney (N = 2) Paternal expression