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Studies Found: 256

BRAIN - TRAUMATIC BRAIN INJURY

Hydrogen inhalation inhibits microglia activation and neuroinflammation in a rat model of traumatic ...

Year Published: 2020

Traumatic brain injury (TBI) is a major cause of mortality and disability worldwide. To date, therapies to treat any forms of TBI are still limited. Recent studies have demonstrated the potential neuroprotective effects of molecular hydrogen on TBI. Although it has been demonstrated that hydrogen inhalation (HI) for about 5 hrs immediately after TBI has a beneficial effect on brain injury, the ...
BRAIN - ENVIRONMENTAL POLLUTION

Hydrogen rich water ameliorate Trimethyltin induced spatial learning and memory impairment by ...

Year Published: 2020

Background: As an important member of organic tin compounds, Trimethyltin (TMT) exists widely in industrial and agricultural productions. TMT can induce significant neurodegeneration in the limbic system, particular in hippocampus. However, the molecular mechanisms in TMT-induced learning and memory impairment are not fully clear. Thus, this research was to explore the role of Synaptophysin (SYP) ...
BRAIN - BRAIN INJURY

Hydrogen Inhalation Attenuates Oxidative Stress Related Endothelial Cells Injury After Subarachnoid ...

Year Published: 2020

Background: Subarachnoid hemorrhage (SAH) is a devastating cerebrovascular disease with poor clinical outcome. Nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome serves a key role in inflammatory response, which may lead to endothelial cell injury and blood-brain barrier (BBB) disruption. Hydrogen (H2) is considered a neuroprotective ...
BRAIN - SEPSIS

Molecular hydrogen attenuates sepsis-induced neuroinflammation through regulation of microglia ...

Year Published: 2020

Sepsis-associated encephalopathy (SAE) is the cognitive impairment resulting from sepsis and is associated with increased morbidity and mortality. Hydrogen has emerged as a promising therapeutic agent to alleviate SAE. The mechanism, however, remains unclear. This research aimed to determine whether hydrogen alleviates SAE by regulating microglia polarization and whether it is mediated by the ...
BRAIN - DEMENTIA

Effect of Hydrogen Water Drinking on Dementia Patient through Mechanism of Oxidative Stress and ...

Year Published: 2019

Hydrogen water (HW) which is produced by electrolysis of water has characteristics of extremely low oxidation-reduction potential (ORP) value and high dissolved hydrogen (DH). It has been proved to have various beneficial effects including antioxidant and anti-inflammatory effects; however, HW effect on dementia that is associated with cognitive impairment and memory loss, is poorly documented. In ...
BRAIN - BRAIN INJURY

Hydrogen gas therapy improves survival rate and neurological deficits in subarachnoid hemorrhage ...

Year Published: 2019

The high morbidity, high mortality, and significant shortage of effective therapies for subarachnoid hemorrhage (SAH) have created an urgency to discover novel therapies. Human studies in Asia have established the safety of hydrogen gas in the treatment of hepatic, renal, pulmonary, and cardiac diseases. Mechanistically, hydrogen gas has been shown to affect oxidative stress, inflammation, and ...
BRAIN - CARDIOPULMONARY RESUSCITATION (CPR)

Inhaling Hydrogen Ameliorates Early Postresuscitation EEG Characteristics in an Asphyxial Cardiac ...

Year Published: 2019

Background: Electroencephalography (EEG) is commonly used to assess the neurological prognosis of comatose patients after cardiac arrest (CA). However, the early prognostic accuracy of EEG may be affected by postresuscitation interventions. Recent animal studies found that hydrogen inhalation after CA greatly improved neurological outcomes by selectively neutralizing highly reactive oxidants, but ...
BRAIN - NEUROPATHIC PAIN

Hydrogen-rich Saline Alleviated the Hyperpathia and Microglia Activation via Autophagy Mediated ...

Year Published: 2019

Neuropathic pain is a complication after a spinal nerve injury. The inflammasomes are now identified to be responsible for triggering inflammation in neuropathic pain. Autophagy participates in the process of neuropathic pain and can regulate the inflammasome activation in different diseases. Our previous research reported that hydrogen exerted a protective effect against neuropathic pain. ...
BRAIN - STROKE

UPLC-QTOF/MS-Based Metabolomics Reveals the Protective Mechanism of Hydrogen on Mice with Ischemic ...

Year Published: 2019

As a reductive gas, hydrogen plays an antioxidant role by selectively scavenging oxygen free radicals. It has been reported that hydrogen has protective effects against nerve damage caused by ischemia–reperfusion in stroke, but the specific mechanism is still unclear. Therefore, this study aims to investigate the protective effects of hydrogen on stroke-induced ischemia–reperfusion injury and ...
BRAIN - BRAIN INJURY

Hydrogen-rich saline promotes microglia M2 polarization and complement-mediated synapse loss to ...

Year Published: 2019

Background Hypoxia-ischemia (HI) during the perinatal period is one of the most common causes of acute mortality and chronic neurologic morbidity. Hydrogen-rich saline (HS) treatment in neonatal mice has been reported to alleviate brain injury following HI, but the mechanisms involved are not known. Methods A modified version of the Rice-Vannucci method for the induction of neonatal HI brain ...
BRAIN - SURGERY/TRANSPLANTATION

Perioperatively Inhaled Hydrogen Gas Diminishes Neurologic Injury Following Experimental Circulatory ...

Year Published: 2019

Highlights • Inhaled hydrogen gas has been shown to temper the sequelae of ischemic insults. Its application in cardiopulmonary bypass has not been investigated. • Neonatal swine were cannulated to cardiopulmonary bypass and exposed to prolonged circulatory arrest (75 min at 25°C). Swine were randomized to treatment with or without inhaled 2.4% hydrogen gas mixtures for 24 h during and ...
WHOLE BODY - HYDROGEN BIOLOGY

Safety of inhaled hydrogen gas in healthy mice

Year Published: 2019

The purpose of this work was to determine the safety of inhaled hydrogen gas in healthy animals. Female mice were exposed to medical air with or without hydrogen gas (concentration 2.4%) for 72 hours (n = 25 mice/group). Mice underwent a standardized and validated neurobehavioral examination, SmithKline Beecham, Harwell, Imperial College, Royal London Hospital, Phenotype Assessment (SHIRPA) ...
BRAIN - PARKINSON'S DISEASE

Inhalation of hydrogen gas elevates urinary 8-hydroxy-2′-deoxyguanine in Parkinson’s ...

Year Published: 2019

Hyposmia is one of the earliest and the most common symptoms in Parkinson's disease (PD). The benefits of hydrogen water on motor deficits have been reported in animal PD models and PD patients, but the effects of hydrogen gas on PD patients have not been studied. We evaluated the effect of inhalation of hydrogen gas on olfactory function, non-motor symptoms, activities of daily living, and ...
BRAIN - BRAIN INJURY

Hydrogen ventilation combined with mild hypothermia improves short-term neurological outcomes in a ...

Year Published: 2019

Despite its poor outcomes, therapeutic hypothermia (TH) is the current standard treatment for neonatal hypoxic-ischaemic encephalopathy (HIE). In this study, due to its antioxidant, anti-inflammatory, and antiapoptotic properties, the effectiveness of molecular hydrogen (H2) combined with TH was evaluated by means of neurological and histological assessments. Piglets were divided into three ...
BRAIN - STROKE

Hydrogen inhibits microglial activation and regulates microglial phenotype in a mouse middle ...

Year Published: 2019

Microglia participate in bi-directional control of brain repair after stroke. Previous studies have demonstrated that hydrogen protects brain after ischemia/reperfusion (I/R) by inhibiting inflammation, but the specific mechanism of anti-inflammatory effect of hydrogen is poorly understood. The goal of our study is to investigate whether inhalation of high concentration hydrogen (HCH) is able to ...
BRAIN - CARDIOPULMONARY RESUSCITATION (CPR)

Inhalation of high-concentration hydrogen gas attenuates cognitive deficits in a rat model of ...

Year Published: 2019

Cognitive deficits are a devastating neurological outcome seen in survivors of cardiac arrest. We previously reported water electrolysis derived 67% hydrogen gas inhalation has some beneficial effects on short-term outcomes in a rat model of global brain hypoxia-ischemia induced by asphyxia cardiac arrest. In the present study, we further investigated its protective effects in long-term spatial ...
BRAIN - TRAUMATIC BRAIN INJURY

Case Report: Buccal administration of hydrogen-producing blend after a mild traumatic brain injury ...

Year Published: 2019

Background: Sport-related mild traumatic brain injury (TBI) is a serious trauma that could impair brain function of an injured athlete. Treatment solutions for mild TBI typically concentrate on complete rest, while non-traditional therapeutic options remain largely ineffective. Molecular hydrogen (H 2 ) is an innovative neuroprotective agent that can easily reach the brain, yet no data are ...
BRAIN - SEIZURE

Hydrogen Alleviates Necroptosis and Cognitive Deficits in Lithium–Pilocarpine Model of Status ...

Year Published: 2019

Status epilepticus without prompt seizure control always leads to neuronal death and long-term cognitive deficits, but effective intervention is still absent. Here, we found that hydrogen could alleviate the hippocampus-dependent spatial learning and memory deficit in lithium–pilocarpine model of status epilepticus in rats, as evidenced by the results in Morris water maze test. Hydrogen ...
BRAIN - DEMENTIA

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

Year Published: 2019

Vascular dementia (VD) is a heterogeneous group of brain disorders in which cognitive impairment is attributed to cerebrovascular pathologies. Autophagy, a self-cannibalization mechanism, has been demonstrated to be involved in VD progression. Molecular hydrogen is known for its powerful anti-oxidative, anti-apoptotic, and anti-inflammatory activities, and it is also involved in autophagy. ...
BRAIN - CANCER

Effect of Hydrogen-Rich Water on Radiation-Induced Cognitive Dysfunction in Rats

Year Published: 2019

The goal of this work was to determine whether hydrogen-rich water (HRW) could attenuate radiation-induced cognitive dysfunction in rats and to explore the underlying mechanisms. Rats received 30 Gy whole-brain irradiation using a 6-MeV electron beam. Either purified water or HRW (0.8-0.9 ppm) was administrated at 10 min prior to irradiation, as well as a daily HRW treatment after irradiation for ...
BRAIN - NEUROPROTECTION

Protective effect of hydrogen-rich water on oxidative stress cell model and the impact of the ...

Year Published: 2019

Objective: To explore the protective effect of hydrogen-rich water on the oxidative stress injury of astrocytes in mice and its effect on phosphatidylinositol 3 kinase/protein kinase B (PI3K/Akt) signal pathway. Methods: In vitro, mice astrocytes were cultured and the logarithmic growth period cells were taken for experiment. (1) Experiment one: some cells were acted by 1.25, 2.50, 5.00, 10.00 ...
WHOLE BODY - STROKE

Hydrogen-rich saline protects rat from oxygen glucose deprivation and reperusion-induced apoptosis ...

Year Published: 2019

Background: Hydrogen is received as an inert gas that thought to be non-functional in vivo previously. Recently, emerging evidences showed that in ischemia/reperfusion (IR) condition, hydrogen reduced cellular reactive oxygen species (ROS) production and ameliorated cell apoptosis. However, the underlying mechanism of hydrogen on IR-induced apoptosis remains elusive. Here we tried to unravel the ...
BRAIN - ENVIRONMENTAL POLLUTION

Hydrogen gas protects against delayed encephalopathy after acute carbon monoxide poisoning in a rat ...

Year Published: 2019

Objective: The protective effects of 2%-4% hydrogen gas in delayed encephalopathy after acute carbon monoxide poisoning (DEACMP) have been previously reported. This study aimed to assess the neuroprotective effects of high concentration hydrogen (HCH) on DEACMP. Methods: A total of 36 male Sprague-Dawley rats were divided into 3 groups. In the DEACMP group, rats were exposed to CO to induce CO ...
BRAIN - ADDICTION

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

Year Published: 2019

Methamphetamine (METH) is a highly addictive stimulant, and METH exposure can induce irreversible neuronal damage and cause neuropsychiatric and cognitive disorders. The ever-increasing levels of METH abuse worldwide have necessitated the identification of effective intervention strategies to protect the brain against METH-induced neurotoxicity. The protective effects of molecular hydrogen on ...
BRAIN - BRAIN INJURY

Hydrogen inhalation protects hypoxic–ischemic brain damage by attenuating inflammation and ...

Year Published: 2019

Hypoxic–ischemic brain damage (HIBD) is one of the leading causes of brain injury in infant with high risk of mortality and disability; therefore, it is important to explore more feasible and effective treatment strategies. Here, we assessed the neuroprotective effects of different hydrogen inhalation times for the treatment of HIBD. We induced hypoxia–ischemia in Sprague–Dawley rats ...