While classical gene mutations are region-limited, epimutations often occur early in cancer development and have a genome-wide impact, boosting on the one hand the expression of cell survival genes or proto-oncogenes and deactivating on the other hand tumor suppressor genes (TSGs), DNA repair mechanisms as well as cell division brakes, thus leading to carcinogenesis (Karius et al., 2012
ACS Chem Neurosci 2016
The authors described any possible symptomatic effect as preliminary and requiring a larger study
Serum B12, and potentially methylmalonic acid (MMA) and homocysteine, give your clinician the data to determine whether B12 is a contributing factor or whether the mood symptoms are being driven by something else entirely
Furthermore, this service is offered purely as a wellness treatment
Qin, S., Wu, B., Gong, T., Zhang, Z.-R