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Journal of Pharmaceutical Sciences 99 , 22002208, doi:10.1002/jps.21989 (2010)

As more genome-wide methylation studies are reported, there is evidence of both increases and decreases in DNA methylation on differentiation (4446)

Tiedge M, Lortz S, Drinkgern J, Lenzen S (1997) Relation between antioxidant enzyme gene expression and antioxidative defense status of 1nsulin producing cells

Finally, gut microbiota disruption, or dysbiosis, has been noted in Long COVID, with reduced levels of beneficial bacteria and an increase in harmful species, contributing to both gastrointestinal and systemic symptoms, including fatigue and cognitive impairment [22]

Tanwar 2012)