Hydrogen Gas Protects Brain from Sepsis Damage in Mice Study

DGKζ in Glycerophospholipid Metabolism Regulates the DAG and PA Balance and Interacts With PTEN to Alleviate Brain Damage in Septic Mice With Hydrogen Inhalation: A Comparative Metabolomic and Phosphoproteomic Analysis

Research hubs: Brain & Nervous System · Immune System

Evidence type
Animal study (mouse)
Authors
Yuanyuan Bai, Zeyu Li, Donglai Yan, Yi Jiang, Beibei Dong, Yonghao Yu
Journal
Brain and Behavior
Year
2025
DOI
10.1002/brb3.70761
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Sepsis-Associated Encephalopathy
Body System
Nervous System

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

TL;DR

Hydrogen gas protected the brains of septic mice by restoring lipid balance and reducing inflammation-related damage.

Key Finding

Hydrogen gas inhalation reduced brain damage in septic mice by lowering levels of a protein called DGKζ, which helped rebalance fat-like molecules (DAG and PA) in brain cells.

Summary

This study used mice with sepsis (a life-threatening infection) to investigate how inhaling hydrogen gas might protect the brain from damage. Researchers analyzed thousands of molecules and proteins in the mice's brains and found that hydrogen inhalation changed the activity of specific proteins involved in fat metabolism, particularly one called DGKζ. These changes appeared to reduce brain inflammation and damage in the septic mice.

Practical Takeaway

While this mouse study suggests hydrogen gas may have protective effects on the brain during severe infection, it is a preliminary animal study and does not directly demonstrate effects in humans. Much more research, including human trials, would be needed before any health recommendations could be made based on these findings.

Abstract (excerpt)

ABSTRACT Objectives: Therapeutic effects of hydrogen (H 2 ) on sepsis‐associated encephalopathy (SAE), a severe neuroinflammatory disease, have been reported, but the underlying mechanism remains unclear. Metabolomic and phosphoproteomic analyses were utilized to explore the therapeutic mechanism…

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