Mechanistically, metformin may activate Nrf2 through multiple pathways, including AMPK activation, inhibition of GSK-3mediated Nrf2 degradation, and modulation of intracellular redox homeostasis, all of which facilitate Nrf2 nuclear translocation and subsequent induction of downstream antioxidant genes 48,49
Briefly, on Day 0, hiPSC colonies were dissociated with dispase and grown in a suspension to form embryoid bodies, and slowly transitioned to neural induction media (DMEM/F12 (1:1), 1% N2 supplement (Invitrogen), 1 x minimum essential media-nonessential amino acids (NEAAs), 2 g/ml heparin (Sigma))
While low levels of B12 can lead to weight loss
The initial doses can be titrated until and opiate-related side effects must be monitored for nausea and vomiting, depression of respiratory drive, CNS-depressant effects, hypotension, ileus, urinary retention