Simultaneous oral and inhalational intake of molecular hydrogen additively suppresses signaling pathways in rodents.

In mice, first examined the H₂ concentrations in blood and organs after its administration and found that oral intake of HRW rapidly but transiently increased H₂ concentrations in the liver and atrial blood, while H₂ concentrations in arterial blood and the kidney were one-tenth of those in the liver and atrial blood. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Oral intake of hydrogen-rich water inhibits intimal hyperplasia in arterialized vein grafts in rats.

In rat smooth muscle cell (A7r5) cultures, hydrogen treatment for 24 h reduced smooth muscle cell migration. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Oral intake of hydrogen-rich water ameliorated chlorpyrifos-induced neurotoxicity in rats.

In an animal model, immunostaining results showed that the increased glial fibrillary acidic protein (GFAP) expression in astrocytes induced by CPF exposure can be ameliorated by HRW intake. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Effects of hydrogen-rich water on aging periodontal tissues in rats.

The anti-oxidative effects of hydrogen-rich water suppress oxidative damage, which may aid in inhibiting age-related inflammatory reactions. These results are preclinical and suggest molecular hydrogen's therapeutic potential in the condition studied. Further human research is needed to establish clinical effectiveness.

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Using oral molecular hydrogen supplements to combat microinflammation in humans: a pilot observational study.

In a laboratory model, compared to HRW and CaH2, OSHCs demonstrated a prolonged reduction in ORP for 60 minutes in vitro and enabled a regulated release of hydrogen over 24 hours. The authors concluded that oSHCs supplementation may exert anti-inflammatory and antioxidant effects on individuals with chronic inflammation. These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.

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Hydrogen-Rich Water Improves Cognitive Ability and Induces Antioxidative, Antiapoptotic, and Anti-Inflammatory Effects in an Acute Ischemia-Reperfusion Injury Mouse Model.

In C57BL/6 mice, western blotting showed that hydrogen treatment reduced Bax and TNFα levels. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Different effects of hydrogen-rich water intake and hydrogen gas inhalation on gut microbiome and plasma metabolites of rats in health status.

In rats, the metabolic function was determined by metabolic cage analysis and showed that HI decreased the voluntary intake and excretions of rats, while HRW intake did not. These preclinical findings add evidence about the molecular-hydrogen effects, outcomes, and biological pathways measured in this model.

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Molecular hydrogen as an emerging therapeutic medical gas for neurodegenerative and other diseases.

This narrative review examined the available molecular-hydrogen literature. Rodents and humans are able to take a small amount of hydrogen by drinking hydrogen-rich water, but marked effects are observed. The reviewed evidence adds support for molecular hydrogen's therapeutic potential across the conditions, mechanisms, or outcomes examined.

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Effects of Molecular Hydrogen on Methamphetamine-Induced Neurotoxicity and Spatial Memory Impairment.

The researchers found that the molecular hydrogen delivered by ad libitum HRW consumption significantly inhibited the METH-induced spatial learning impairment and memory loss evidenced in the Barnes maze and Morris water maze tests. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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FoxO1-mediated autophagy plays an important role in the neuroprotective effects of hydrogen in a rat model of vascular dementia.

This publication is an erratum or correction associated with a molecular-hydrogen article. It does not report a new standalone experiment.

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Molecular Hydrogen Modulates T Cell Differentiation and Enhances Neuro-Regeneration in a Vascular Dementia Mouse Model.

In male C57BL/6 mice, histological examinations showed pyknotic neuronal morphologies and elevated reactive oxygen species (ROS) in the VaD hippocampus, whereas H₂ administration mitigated these alterations. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Hydrogen-rich water improves neurological functional recovery in experimental autoimmune encephalomyelitis mice.

In an animal model, 0.89mM HRW also reduced disease severity, CNS infiltration, and demyelination when administered after the onset of disease. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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A new insight into the molecular hydrogen effect on coenzyme Q and mitochondrial function of rats.

In rats, similarly, coenzyme Q9 levels in the rat plasma, myocardial tissue, and mitochondria were increased and malondialdehyde level in plasma was reduced after HRW administration. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Effects of Hydrogen-rich Water on the PI3K/AKT Signaling Pathway in Rats with Myocardial Ischemia-reperfusion Injury.

In the ischemia-reperfusion hydrogen-rich water group, PI3K, AKT and p-AKT mRNA and protein expression levels were increased while the FoxO1, Bim and Caspase-3 expression levels were significantly decreased compared with those in the corresponding control group (P<0.05). These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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Metabolomics Analysis of the Effect of Hydrogen-Rich Water on Myocardial Ischemia-Reperfusion Injury in Rats.

In rats, vIP (OPLS-DA) analysis was performed with T test, and the metabolites of the control group and the hydrogen-rich water group were significantly different, and the glycerophospholipid metabolism was screened. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.

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