Hydrogen Gas Acts as On-Off Switch for Cell Metabolism in New Study
Hydrogen gas as a central on-off functional switch of reversible metabolic arrest - New perspectives for biotechnological applications
- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Sotirios Zerveas, Evaggelos Kydonakis, Melpomeni-Sofia Mente, Vangelis Daskalakis, Kiriakos Kotzabasis
- Journal
- Journal of Biotechnology
- Year
- 2021
- DOI
- 10.1016/j.jbiotec.2021.06.005
- Study Type
- Microalgae, Yeast
- Outcome
- positive
- Peer Reviewed
- Yes
- Country
- Greece
- Health Condition
- Metabolic Disorders
- Body System
- Cellular
This research was done on cells or tissue in a lab, not in people or animals.
TL;DR
Scientists discovered that putting living cells in pure hydrogen gas basically puts them to sleep—they stop growing and using energy—but they wake right back up when you add oxygen, which could be a game-changer for keeping food fresh without electricity for super long periods.
Key Finding
Exposure to 100% hydrogen gas reversibly halts cellular metabolism and growth in multiple organisms, with rapid restoration of metabolic function when oxygen is reintroduced.
Summary
Researchers exposed various organisms—from algae to yeast—to pure hydrogen gas and found that their metabolism (the chemical processes that keep cells alive) completely stopped, but could be quickly restarted by adding oxygen back. Computer simulations suggested this happens because hydrogen makes proteins more stable and less likely to move around. The study proposes this could eventually be used to preserve foods or biological products for long periods without using energy.
Practical Takeaway
This is early-stage research in microorganisms and yeast, not humans, and focuses on metabolic arrest rather than health benefits. While the findings are scientifically interesting, there is no evidence presented about whether hydrogen water or hydrogen gas exposure would have similar effects in humans or provide any health advantage. Much more research would be needed before any therapeutic applications could be considered.
Abstract (excerpt)
Metabolism is the sum of all chemical reactions that sustain life. There is an ongoing effort to control metabolic rate, which correlates with the maximum lifespan potential and constitutes one of the oldest scientific questions. Herein, we report on the complete reversible arrest of cellular…