Hydrogen Water in Rats Linked to Reduced Cataracts
Hydrogen-rich saline treatment modulates proteomic profiles to mitigate cataract development in a N-methyl-N-nitrosourea-induced rat model
Research hubs: Eyes & Vision System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Yingxin Qu, Xiaoqi Li, Qinghua Yang, Runpu Li, Ye Tao, Yifei Huang, Liqiang Wang
- Journal
- International Ophthalmology
- Year
- 2026
- PMID
- 41557063
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- Intraperitoneal injections and eye drops from postnatal days 8-21
- Duration
- 2 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
TL;DR
Hydrogen-rich saline reduced cataract formation and protected lens clarity by lowering oxidative stress and supporting normal cellular metabolism.
Key Finding
Hydrogen-rich saline reduced cataract incidence to 50% in treated rats versus 100% in untreated controls, with proteomic analysis showing the treatment altered stress-response and metabolic proteins in the lens.
Summary
Researchers tested whether hydrogen-rich saline (salt water containing dissolved hydrogen) could prevent cataracts in rats exposed to a cataract-causing chemical. They found that hydrogen-rich saline reduced cataract development to 50% compared to 100% in untreated rats, and identified specific proteins in the lens that changed when hydrogen-rich saline was used, suggesting it works by reducing oxidative stress (cellular damage from unstable molecules).
Practical Takeaway
This rat study provides early evidence that hydrogen-rich saline may help prevent cataracts through antioxidant mechanisms, but results from animal studies do not automatically apply to humans. Further research in human subjects would be needed to determine if hydrogen water or hydrogen-rich saline could offer similar protective effects for cataract prevention in people.
Abstract (excerpt)
Purpose: Cataracts are associated with oxidative stress-induced damage to lens proteins. This study aims to identify differentially expressed proteins (DEPs) associated with the protective effects of hydrogen-rich saline (HRS) against N-methyl-N-nitrosourea (MNU)-induced cataracts, utilizing…