Hydrogen Therapy Helps Diabetic Stroke Recovery in Rats
- Authors
- Wan-Chao Yang, Ting-Ting Li, Qiang Wan, Xin Zhang, Li-Ying Sun, Yu-Rong Zhang, Pei-Chen Lai, Wen-Zhi Li
- Journal
- Journal of Neuroimmune Pharmacology
- Year
- 2022
- DOI
- 10.1007/s11481-022-10051-w
- Study Type
- Rat
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Ischemic Stroke
- Body System
- Nervous System
TL;DR
Molecular hydrogen treatment improves survival and brain function after a stroke in diabetic rats by reducing inflammation.
Key Finding
Molecular hydrogen improved survival, long-term neurological function, and reduced brain damage in diabetic rats after stroke by suppressing an inflammatory pathway (TLR4/NF-κB), independent of the body's daily rhythms.
Summary
Researchers tested whether molecular hydrogen (a gas) could help rats recover from stroke when they also had diabetes. Diabetic rats are known to have worse outcomes after stroke due to increased inflammation (the body's immune response). The study found that molecular hydrogen improved survival rates, helped rats regain neurological function over 28 days, and reduced brain damage by blocking an inflammatory pathway in the body called TLR4/NF-κB.
Practical Takeaway
This is an early-stage animal study showing molecular hydrogen may have neuroprotective effects in the specific context of stroke with diabetes. However, results from rat studies do not always translate to humans, and no human trials have been conducted. More research, including human studies, would be needed before any conclusions about hydrogen water's effects on stroke recovery in diabetic patients could be drawn.
Abstract
AbstractDiabetes is an independent risk factor for stroke and amplifies inflammation. Diabetic stroke is associated with a higher risk of death and worse neural function. The identification of effective anti-inflammatory molecules with translational advantages is particularly important to promote perioperative neurorestorative effects. Applying molecular hydrogen, we measured blood glucose levels before and after middle cerebral artery occlusion (MCAO), 48-h cerebral oedema and infarct volumes, as well as 28-day weight, survival and neurological function. We also measured the levels of TLR4, NF-κB p65, phosphorylated NF-κB p65, catecholamines, acetylcholine and inflammatory factors. All measurements comprehensively showed the positive effect and translational advantage of molecular hydrogen on diabetic stroke. Molecular hydrogen improved the weight, survival and long-term neurological function of rats with diabetic stroke and alleviated changes in blood glucose levels before and after middle cerebral artery occlusion (MCAO), but no difference in circadian rhythm was observed. Molecular hydrogen inhibited the phosphorylation of NF-κB and significantly reduced inflammation. Molecular hydrogen mediates neurorestorative effects after stroke in diabetic rats. The effect is independent of circadian rhythms, indicating translational advantages. The molecular mechanism is related to the TLR4/NF-κB pathway and inflammation. Graphical abstract Molecular hydrogen (H2) affects outcomes of ischemic stroke with diabetes mellitus (DM).