Medical Gases Like Hydrogen May Protect Brain from Neurodegenerative Disease
- Authors
- Kyota Fujita, Megumi Yamafuji, Yusaku Nakabeppu, Mami Noda
- Journal
- Oxidative Medicine and Cellular Longevity
- Year
- 2012
- DOI
- 10.1155/2012/324256
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- Japan
- Health Condition
- Alzheimer's Disease
- Body System
- Nervous System
TL;DR
Scientists found that certain medical gases like hydrogen could help protect the brain from diseases like Alzheimer's and Parkinson's by boosting the body's natural defense systems against harmful damage. This is exciting because it might lead to new treatments for brain diseases that don't have good cures right now.
Key Finding
Hydrogen gas may activate protective antioxidant enzymes in the brain through specific cellular signaling pathways, potentially offering neuroprotection against oxidative stress associated with neurodegenerative diseases.
Summary
This paper reviews how certain medical gases, including hydrogen, may protect brain cells from damage caused by oxidative stress (a harmful chemical process linked to neurodegenerative diseases like Alzheimer's and Parkinson's). The authors explain that these gases work by activating the body's natural defense systems—specifically enzymes that clean up oxidative damage—through molecular pathways in cells. While animal studies show promise, the paper emphasizes that clinical trials in humans are still needed.
Practical Takeaway
This is a review article summarizing laboratory and animal research, not a clinical study with human participants. While it suggests hydrogen has theoretical potential for neurodegenerative disease, no human evidence is presented here. Anyone interested in hydrogen water for neurological health should await results from actual clinical trials before drawing conclusions.
Abstract
Oxidative stress in the central nervous system is strongly associated with neuronal cell death in the pathogenesis of several neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis. In order to overcome the oxidative damage, there are some protective signaling pathways related to transcriptional upregulation of antioxidant enzymes, such as heme oxygenase-1 (HO-1) and superoxide dismutase (SOD)-1/-2. Their expression is regulated by several transcription factors and/or cofactors like nuclear factor-erythroid 2 (NF-E2) related factor 2 (Nrf2) and peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α). These antioxidant enzymes are associated with, and in some cases, prevent neuronal death in animal models of neurodegenerative diseases. They are activated by endogenous mediators and phytochemicals, and also by several gases such as carbon monoxide (CO), hydrogen sulphide (H(2)S), and hydrogen (H(2)). These might thereby protect the brain from severe oxidative damage and resultant neurodegenerative diseases. In this paper, we discuss how the expression levels of these antioxidant enzymes are regulated. We also introduce recent advances in the therapeutic uses of medical gases against neurodegenerative diseases.