Hydrogen Gas Protects Against Depression from Chronic Stress in Rats

Hydrogen restores central tryptophan and metabolite levels and maintains mitochondrial homeostasis to protect rats from chronic mild unpredictable stress damage

Research hubs: Brain & Nervous System

Evidence type
Animal study (rat)
Authors
Jiaxin Li, Gaimei Hao, Yupeng Yan, Ming Li, Gaifen Li, Zhengmin Lu, Zhibo Sun, Yanjing Chen, Haixia Liu, Yukun Zhao, Meng Wu, Xiangxin Bao, Yong Wang, Yubo Li
Journal
Neurochemistry International
Year
2024
DOI
10.1016/j.neuint.2024.105914
Study Type
Rat
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Depression
Body System
Nervous System

This research was done in animals. Results in animals often don't carry over to people.

TL;DR

Breathing in hydrogen gas can reduce depression-like symptoms and protect brain cells in rats exposed to chronic stress.

Key Finding

Hydrogen gas inhalation reversed depression-like behaviors and brain damage in stressed rats by restoring neurotransmitter levels, reducing inflammation and oxidative stress, and preserving mitochondrial function.

Summary

Researchers exposed rats to chronic unpredictable stress to create a depression-like condition, then treated some with hydrogen gas inhalation. Hydrogen-treated rats showed improved mood-related behaviors, less brain damage, restored levels of mood-regulating chemicals (neurotransmitters), and better functioning of mitochondria (the energy-producing parts of cells). The study suggests hydrogen may protect the brain from stress-related damage through multiple mechanisms.

Practical Takeaway

This is an early-stage animal study showing hydrogen may have protective effects against stress-related depression. However, results from rat studies do not automatically translate to humans, and no human trials have yet tested whether hydrogen inhalation produces similar benefits in people with depression or chronic stress. More research, including human studies, would be needed before drawing conclusions about therapeutic use.

Abstract (excerpt)

Background and purpose: The field of hydrogen medicine has garnered extensive attention since Professor Ohsawa established that low concentrations of hydrogen (2%-4%) exert antioxidant effects. The present study aimed to evaluate the therapeutic effect of molecular hydrogen in a CUMS rat model…

Read the full abstract via DOI