Glutathione peroxidase 7 has potential tumour suppressor functions that are silenced by location specific methylation in oesophageal adenocarcinoma Gut Role of glutathione in the regulation of epigenetic mechanisms in disease ScienceDirect Let's clear something up about MTHFR. You've probably heard it talked about online. Sometimes it's overhyped. Sometimes it's ignored. The truth is somewhere in the middle. MTHFR is a gene that affects Methylation as a key regulator of Tau aggregation and neuronal health in Alzheimer's disease Cell Communication and Signaling Springer Nature Link The Metabolic Burden of Methyl Donor Deficiency with Focus on the Betaine Homocysteine Methyltransferase Pathway Homocysteine