Gas Molecules Show Promise for Treating Parkinson's Disease
- Authors
- Linlin Wang, Qing Dan, Bingxuan Xu, Yun Chen, Tingting Zheng
- Journal
- Open Life Sciences
- Year
- 2023
- DOI
- 10.1515/biol-2022-0658
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Parkinson's Disease
- Body System
- Nervous System
TL;DR
Scientists found that certain gases like hydrogen and hydrogen sulfide might help treat Parkinson's disease by protecting brain cells from damage, which could work better than current medicines that only replace a missing chemical in the brain.
Key Finding
Gas signaling molecules like hydrogen (H2), hydrogen sulfide (H2S), nitric oxide (NO), and carbon monoxide (CO) show potential therapeutic effects in Parkinson's disease models through antioxidative, anti-inflammatory, and antiapoptotic mechanisms.
Summary
This article reviews research on how certain gas molecules—including hydrogen, hydrogen sulfide, nitric oxide, and carbon monoxide—might help treat Parkinson's disease. Parkinson's involves the progressive loss of brain cells that produce dopamine, a chemical needed for movement control. Current treatments mainly replace dopamine, but their effectiveness often decreases over time. The review suggests these gas molecules may work by reducing inflammation, oxidative stress (cellular damage from unstable molecules), and cell death in the brain.
Practical Takeaway
This is a review article summarizing existing research rather than a new experimental study, and it does not report results from human trials. While the review suggests hydrogen and other gas molecules may have theoretical benefits for Parkinson's disease, this remains early-stage research primarily conducted in laboratory and animal models. Much more research, including human clinical trials, would be needed before any conclusions about practical applications for patients.
Abstract
The pathogenesis of Parkinson's disease (PD) remains unclear. Among the pathological manifestations is the progressive degeneration of the nigrostriatal dopaminergic pathway, leading to massive loss of neurons in the substantia nigra pars compacta and dopamine (DA) depletion. Therefore, the current drug treatment is primarily based on DA supplementation and delaying the progression of the disease. However, as patients' symptoms continue to worsen, the drug effect will gradually decrease or even disappear, thereby further aggravating clinical symptoms. Gas signaling molecules, such as hydrogen sulfide (H2S), nitric oxide (NO), carbon monoxide (CO), and hydrogen (H2), exhibit pleiotropic biological functions and play crucial roles in physiological and pathological effects. In common neurodegenerative diseases including Alzheimer's disease and PD, gas signal molecules can prevent or delay disease occurrence via the primary mechanisms of antioxidation, anti-inflammatory response, and antiapoptosis. This article reviews the therapeutic progress of gas signaling molecules in PD models and discusses the possibility of their clinical applications.