This type of research has been extended more recently to show an overall trend of increased methylation associated with older age in normal human prostate and colon tissues in several genes (Shen et al., 2005 ; Kwabi-Addo et al., 2007 ).
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This type of research has been extended more recently to show an overall trend of increased methylation associated with older age in normal human prostate and colon tissues in several genes (Shen et al., 2005 ; Kwabi-Addo et al., 2007 ).