IndraLab
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"Furthermore, since 5mTHF is involved in the supply of methyl groups to the remethylation cycle in which DNA is a terminal acceptor, FA may alter BC risk through altered epigenetic regulation of tumour suppressor genes as BC can involve hypermethylation of P16INK4a, BRCA1, BRCA2, oestrogen receptor (ER)-alpha, retinoic acid receptor-beta2, APC, and RASSF1A promoters leading to lower transcription and to impaired DNA repair."