How Molecular Hydrogen May Help Control Cellular Stress Signals
- Authors
- John T Hancock, Francisco J Corpas, Zsuzsanna Kolbert, Neidiquele M Silveira, Kapuganti Jagadis Gupta
- Journal
- Nitric Oxide: Biology and Chemistry
- Year
- 2026
- DOI
- 10.1016/j.niox.2026.06.001
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- United Kingdom
- Health Condition
- Oxidative Stress
- Body System
- Cellular / Molecular
TL;DR
Scientists found that nitric oxide (a chemical messenger in our cells) interacts with other compounds to affect how cells handle stress, and hydrogen gas might help protect cells by balancing out these harmful reactions—which could someday help treat diseases caused by cellular damage.
Key Finding
Molecular hydrogen may help regulate cellular redox balance by modulating nitric oxide signaling and reducing reactive oxygen species-related damage.
Summary
This study examines how nitric oxide (a signaling molecule in cells) interacts with the cell's redox state—essentially the balance between harmful reactive molecules and protective compounds that keep cells functioning properly. The researchers explored how molecular hydrogen gas might influence these interactions, particularly by reducing reactive oxygen species (unstable molecules that damage cells) and affecting nitric oxide signaling pathways.
Practical Takeaway
This is a theoretical review rather than an experimental study with human or animal data, so it presents ideas about how hydrogen might work at the cellular level rather than proven effects. While the proposed mechanisms are scientifically plausible, much more research—including human studies—would be needed before drawing conclusions about hydrogen water's practical health benefits.
Abstract
Nitric oxide (NO) has a wide range of effects in both animals and plants. It accumulates in cells, especially during stress responses, leading to signalling events. Many of these downstream signals rely on S-nitrosation, or nitration of proteins, but NO also interacts with a range of other cellular components, including lipids, but also other small reactive compounds. A well-known example of such a NO reaction is with the reactive oxygen species (ROS) superoxide, producing peroxynitrite (ONOO-). One characteristic of cells which is crucial to the control of cellular activity is the intracellular redox state, and this is maintained by compounds such as glutathione (GSH), but also impinged upon by ROS, reactive sulfur compounds such as hydrogen sulfide (H2S), and potentially by hydrogen gas (H2). Into this mix is NO, and here the potential influence of NO on cellular redox is discussed.