SIRT1 activation -> Increases DNMT1 -> Reduces 5AR2 protein expression.
Maybe decreasing SIRT1 helps?
mcb.asm.org/content/31/23/4720.full
SIRT1 Deacetylates the DNA Methyltransferase 1 (DNMT1) Protein and Alters Its Activities
ncbi.nlm.nih.gov/pubmed/25700986
DNA methyl transferase 1 reduces expression of SRD5A2 in the aging adult prostate.
jbc.org/content/280/49/40749.full
Procainamide Is a Specific Inhibitor of DNA Methyltransferase 1
Obesity -> Reduces 5aR2 expression.
ncbi.nlm.nih.gov/pubmed/25916673
Age and Obesity Promote Methylation and Suppression of 5α-Reductase 2: Implications for Personalized Therapy of Benign Prostatic Hyperplasia.