Hydrogen Gas Protects Immune Cells from Damage and Inflammation
Molecular hydrogen protects against oxidative stress-induced RAW 264.7 macrophage cells through the activation of Nrf2 and inhibition of MAPK signaling pathway
Research hubs: Immune System
This research was done on cells or tissue in a lab, not in people or animals.
- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Rahima Begum, Cheol-Su Kim, Ailyn Fadriquela, Johny Bajgai, Xingyu Jing, Dong-Heui Kim, Soo-Ki Kim, Kyu-Jae Lee
- Journal
- Molecular & Cellular Toxicology
- Year
- 2020
- Study Type
- Cell Culture
- Delivery
- Gas
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 21 (OpenAlex, as of November 2026)
- Country
- South Korea
TL;DR
Hydrogen gas (H2) has been found to protect immune cells from oxidative stress by boosting antioxidant pathways and reducing inflammation-related cell damage.
Key Finding
Molecular hydrogen protected macrophage cells from oxidative stress-induced damage by activating the Nrf2 antioxidant pathway and suppressing inflammatory signaling, preventing cell death.
Summary
This laboratory study examined how molecular hydrogen (H2) protects immune cells called macrophages from damage caused by oxidative stress (harmful molecules that accumulate in cells). Researchers exposed macrophage cells to substances that trigger oxidative stress and found that hydrogen gas reduced inflammation, prevented cell death, and activated the cells' natural antioxidant defense systems by turning on a protective protein called Nrf2.
Practical Takeaway
This is an early-stage cell culture study showing hydrogen gas may have protective effects against oxidative stress at the cellular level. However, these results are from laboratory cells only and do not demonstrate effects in humans or living organisms, so it's too early to draw conclusions about hydrogen water's health benefits for people.
Abstract (excerpt)
Background Oxidative stress is involved in the development of many inflammatory, metabolic and aging diseases.Objective In this study we investigated, the protective effects of H2 on RAW 264.7 macrophage cell against LPS-and H2O2-induced oxidative stress by the inhibition of MAPK pathway and also…