Hydrogen Linked to Heart Protection in Lab Cell Studies
Hydrogen Protects Mitochondrial Function by Increasing the Expression of <scp>PGC</scp>‐1α and Ameliorating Myocardial Ischaemia–Reperfusion Injury
Research hubs: Cardiovascular 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
- Yue Zuo, Jiawei Wang, Zhexuan Gong, Yulong Wang, Qiang Wang, Xueyang Yang, Fulin Liu, Tongtong Liu
- Journal
- Journal of Cellular and Molecular Medicine
- Year
- 2024
- PMID
- 39601332
- Study Type
- Rat
- Delivery
- Gas
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 8 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen gas (H2) treatment can reduce heart damage caused by interrupted and then restored blood flow, and this protective effect depends on a specific protein called PGC-1α.
Key Finding
Hydrogen gas protected rat heart tissue from ischemia-reperfusion injury by increasing PGC-1α expression, an effect that was largely lost when PGC-1α was deleted, indicating this protein is critical to hydrogen's cardioprotective mechanism.
Summary
Researchers used rat heart tissue to test whether hydrogen gas could protect against damage caused by temporarily cutting off blood flow and then restoring it (a condition called ischemia-reperfusion injury). They found that hydrogen gas increased levels of a protein called PGC-1α, which helps maintain healthy mitochondria (the energy-producing structures in cells). When hydrogen was applied, it reduced cell death, inflammation, and damage to heart tissue structure—but these protective effects largely disappeared when PGC-1α was removed, indicating this protein is essential for hydrogen's protective mechanism.
Practical Takeaway
This laboratory study in rat tissue suggests hydrogen gas may protect heart cells from damage related to blood flow interruption, but the findings are preliminary and from animal models only. Human studies would be needed to determine whether these protective effects translate to people, and the study does not address how hydrogen water (the form most consumers use) might compare to hydrogen gas.
Abstract (excerpt)
To investigate the application of H2 to alleviate cardiac ischaemia-reperfusion (I/R) injury in a PGC-1α-dependent manner. A rat in vitro myocardial I/R injury model was used, Western blot was used to detect the expression levels of apoptosis markers (Bax, cleaved caspase-3, Bcl2), inflammatory…