what is enzyme glutathione peroxidase Frontiers Glutathione peroxidases as oncotargets |

The bloodbrain barrier in systemic infection and inflammation

Elife (2021) 10:23

Endothelial cell dysfunction may reduce nitric oxide bioavailability and increase reactive oxygen species production, leading to impaired ocular hemodynamics (97), whereas reactive oxygen species can induce cellular senescence and apoptosis (98), which may ultimately lead to optic nerve cell apoptosis, exacerbating optic nerve damage and further exacerbating the progression of glaucoma

The feces also show that a high amount (up to 98%) of the excreted B12 are cobalamin analogues, due to the conversion of cobalamin into analogues by microorganisms in the colon