What Researchers Did
Researchers reviewed the role of oxygen metabolism abnormalities, including hypoxia, oxidative stress, and mitochondrial dysfunction, in the pathogenesis of Alzheimer's disease.
What They Found
They found that chronic hypoxia is a significant risk factor for Alzheimer's disease (AD), aggravating pathological components like amyloid β-protein metabolism, tau phosphorylation, mitochondrial dysfunction, and neuroinflammation. Both hypoxia and excessive hyperoxia can lead to oxidative stress and mitochondrial dysfunction, which in turn increase Aβ and tau phosphorylation, forming a vicious cycle that exacerbates AD pathology, while hyperbaric oxygen therapy (HBOT) shows promise in attenuating these effects.
Canadian Relevance
This review article does not have a specific Canadian connection.
Study Limitations
The review highlights that further investigation is imperative to determine the optimal oxygen pressure, duration, and frequency of hyperbaric oxygen therapy sessions for Alzheimer's disease.