Molecular Hydrogen: an Emerging Therapeutic Medical Gas for Brain Disorders

Oxidative stress and neuroinflammation are the main physiopathological changes involved in the initiation and progression of various neurodegenerative disorders or brain injuries. Since the landmark finding reported in 2007 found that hydrogen reduced the levels of peroxynitrite anions and hydroxyl free radicals in ischemic stroke, molecular hydrogen's antioxidative and anti-inflammatory effects have aroused widespread interest. Due to its excellent antioxidant and anti-inflammatory properties, hydrogen therapy via different routes of administration exhibits great therapeutic potential for a wide range of brain disorders, including Alzheimer's disease, neonatal hypoxic-ischemic encephalopathy, depression, anxiety, traumatic…

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Hydrogen Gas Attenuates Hypoxic-Ischemic Brain Injury via Regulation of the MAPK/HO-1/PGC-1a Pathway in Neonatal Rats.

This animal study examined Hydrogen Gas Attenuates Hypoxic-Ischemic Brain Injury via Regulation of the MAPK/HO-1/PGC-1a Pathway in Neonatal Rats. The abstract describes Rat model. The abstract reports: These findings suggest that H augments cellular antioxidant defense capacity through activation of MAPK signaling pathways, leading to HO-1 expression and subsequent upregulation of…. This is an automated editorial draft based on the abstract and requires source review before publication.

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Protective effects of hydrogen‑rich saline against experimental diabetic peripheral neuropathy via activation of the mitochondrial ATP‑sensitive potassium channel channels in rats.

This animal study examined Protective effects of hydrogen‑rich saline against experimental diabetic peripheral neuropathy via activation of the mitochondrial ATP‑sensitive potassium channel channels in rats. The abstract describes Rat model; hydrogen delivered as hydrogen-rich saline and injected or infused hydrogen. The abstract reports: It has previously been demonstrated that hyperglycemia‑induced oxidative stress and inflammation are closely associated with the development of diabetic complications, including diabetic neuropathy. This is an automated editorial draft based on the abstract and requires source review before publication.

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Neuroprotective potential of molecular hydrogen against perinatal brain injury via suppression of activated microglia.

This animal study examined Neuroprotective potential of molecular hydrogen against perinatal brain injury via suppression of activated microglia. The abstract describes Mouse model; hydrogen delivered as hydrogen water and injected or infused hydrogen. The abstract reports: These results suggested that H2 holds promise for the prevention of inflammation related to perinatal brain injury. This is an automated editorial draft based on the abstract and requires source review before publication.

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PPARα contributes to the therapeutic effect of hydrogen gas against sepsis-associated encephalopathy with the regulation to the CREB-BDNF signaling pathway and hippocampal neuron plasticity-related gene expression.

This animal study examined PPARα contributes to the therapeutic effect of hydrogen gas against sepsis-associated encephalopathy with the regulation to the CREB-BDNF signaling pathway and hippocampal neuron plasticity-related gene expression. The abstract describes Mouse model. The abstract reports: The results showed the expression of PPARα was decreased in SAE mice and that activation of PPARα in septic mice improved the survival rate…. This is an automated editorial draft based on the abstract and requires source review before publication.

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Protective effect of hydrogen-rich medium against high glucose-induced apoptosis of Schwann cells in vitro.

This uncontrolled human study examined Protective effect of hydrogen-rich medium against high glucose-induced apoptosis of Schwann cells in vitro. The abstract describes Human participants. The abstract reports: HG was found to induce severe oxidative stress and promote the caspase‑dependent and caspase‑independent apoptosis of SCs. This is an automated editorial draft based on the abstract and requires source review before publication.

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Hydrogen inhalation exerts anti-seizure effects by preventing oxidative stress and inflammation in the hippocampus in a rat model of kainic acid-induced seizures

This animal study examined Hydrogen inhalation exerts anti-seizure effects by preventing oxidative stress and inflammation in the hippocampus in a rat model of kainic acid-induced seizures. The abstract describes Rat model; hydrogen delivered as hydrogen inhalation; reported duration 5 days. The abstract reports: Hydrogen gas (H) is an antioxidant with demonstrated neuroprotective efficacy. This is an automated editorial draft based on the abstract and requires source review before publication.

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Inhalation of hydrogen gas mitigates sevoflurane‐induced neuronal apoptosis in the neonatal cortex and is associated with changes in protein phosphorylation

This animal study examined Inhalation of hydrogen gas mitigates sevoflurane‐induced neuronal apoptosis in the neonatal cortex and is associated with changes in protein phosphorylation. The abstract describes Mouse model. This is an automated editorial draft based on the abstract and requires source review before publication.

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Transcriptomic and metabolomic studies on the protective effect of molecular hydrogen against nuclear electromagnetic pulse-induced brain damage.

This animal study examined Transcriptomic and metabolomic studies on the protective effect of molecular hydrogen against nuclear electromagnetic pulse-induced brain damage. The abstract describes Rat model; hydrogen delivered as hydrogen water. The abstract reports: H is identified as a potent agent against NEMP exposure-induced brain damage and has the potential to be a promising electromagnetic radiation protectant. This is an automated editorial draft based on the abstract and requires source review before publication.

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Hyperbaric hydrogen therapy improves secondary brain injury after head trauma.

This animal study examined Hyperbaric hydrogen therapy improves secondary brain injury after head trauma. The abstract describes Mouse model; sample size 40; reported duration 90 minutes. The abstract reports: Hyperbaric hydrogen therapy may be effective for posttraumatic secondary brain injury. This is an automated editorial draft based on the abstract and requires source review before publication.

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Phosphorylation-mediated PI3K-Art signalling pathway as a therapeutic mechanism in the hydrogen-induced alleviation of brain injury in septic mice.

This animal study examined Phosphorylation-mediated PI3K-Art signalling pathway as a therapeutic mechanism in the hydrogen-induced alleviation of brain injury in septic mice. The abstract describes Mouse model. The abstract reports: In proteomics and phosphoproteomics analysis, 268 differentially phosphorylated proteins (DPPs) showed a change in the phosphorylated form in the CLP + H group (p . This is an automated editorial draft based on the abstract and requires source review before publication.

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Hydrogen‑rich medium alleviates high glucose‑induced oxidative stress and parthanatos in rat Schwann cells in vitro.

Diabetic peripheral neuropathy (DPN) is considered to be the most common cause of microvascular diabetic complications, for which no effective therapies currently exist. Previous studies have identified that oxidative stress is the common pathway in all possible hypotheses for the induction of DPN, and poly(ADP‑ribose) (PAR) polymerase‑1 (PARP‑1)‑dependent cell death (parthanatos) is key in the pathogenic mechanisms of neurodegenerative disease. The aim of the present study was to investigate the protective effects and corresponding mechanisms of hydrogen‑rich medium (HM) on high glucose (HG)‑induced oxidative stress and parthanatos in primary rat…

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Neuroprotective and Preventative Effects of Molecular Hydrogen.

This animal study examined Neuroprotective and Preventative Effects of Molecular Hydrogen. The abstract describes Mouse model. This is an automated editorial draft based on the abstract and requires source review before publication.

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Molecular Hydrogen Reverses Nociplastic Pain and Depressive-like Behaviors via Region- and Sex-Dependent Central Mechanisms.

This animal study examined Molecular Hydrogen Reverses Nociplastic Pain and Depressive-like Behaviors via Region- and Sex-Dependent Central Mechanisms. The abstract describes Mouse model; sample size 6; hydrogen delivered as hydrogen water and injected or infused hydrogen. This is an automated editorial draft based on the abstract and requires source review before publication.

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Direct Targets and Subsequent Pathways for Molecular Hydrogen to Exert Multiple Functions: Focusing on Interventions in Radical Reactions

Molecular hydrogen (H) was long regarded as non-functional in mammalian cells. We overturned the concept by demonstrating that H exhibits antioxidant effects and protects cells against oxidative stress. Subsequently, it has been revealed that H has multiple functions in addition to antioxidant effects, including antiinflammatory, anti-allergic functions, and as cell death and autophagy regulation.

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