Hydrogen Therapy Protects Lungs from Radiation Damage in Mice

Authors
Journal
Heliyon
Year
DOI
10.1016/j.heliyon.2024.e30902
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Radiation Lung Injury
Body System
Respiratory

TL;DR

Inhaling hydrogen gas can improve lung function and reduce inflammation in mice with lung damage caused by radiation therapy.

Key Finding

Hydrogen inhalation improved lung function and reduced inflammation in mice with radiation-induced lung injury by shifting immune cells from pro-inflammatory to anti-inflammatory types.

Summary

Researchers gave mice with radiation-induced lung injury (damage to the lungs from cancer treatment radiation) hydrogen gas to breathe. They found that hydrogen inhalation improved lung function, reduced inflammation in lung tissue, and changed the type of immune cells (macrophages) present—shifting them from a pro-inflammatory type (M1) to an anti-inflammatory type (M2). The hydrogen appeared to work by blocking a cellular signaling pathway called NF-κB that normally triggers inflammation.

Practical Takeaway

This mouse study suggests hydrogen gas may help protect against lung damage from radiation therapy, but it is early-stage research conducted only in animals. Much more work, including human studies, would be needed before hydrogen could be considered a treatment for radiation lung injury. The findings are interesting from a scientific perspective but should not be interpreted as evidence that hydrogen water or hydrogen gas is effective for this condition in people.

Abstract (excerpt)

Background: Radiotherapy has become a standard treatment for chest tumors, but a common complication of radiotherapy is radiation lung injury. Currently, there is still a lack of effective treatment for radiation lung injury. Methods: A mouse model of radioactive lung injury (RILI) was constructed…

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