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Studies Found: 200

BRAIN - SLEEP APNEA

Hydrogen ameliorates chronic intermittent hypoxia-induced neurocognitive impairment via inhibiting ...

Year Published: 2018

Obstructive sleep apnea (OSA) is a very common breathing and sleep disorder characterized by intermittent hypoxia (IH), which is often associated with behavioral and neurocognitive functions impairment. Hydrogen (H2), as a novel and effective antioxidant, is reported to be a potential neuroprotective agent. The aim of this study is to investigate whether H2 could improve CIH-induced neurocognitive ...
BRAIN - MULTIPLE SCLEROSIS (MS)

Hydrogen-Rich Saline Ameliorates Experimental Autoimmune Encephalomyelitis in C57BL/6 Mice Via the ...

Year Published: 2018

Multiple sclerosis (MS) is a chronic and inflammatory disease of the central nervous system that is associated with demyelination, neurodegeneration, and sensitivity to oxidative stress. Hydrogen-rich saline (HRS) is efficacious in preventive and therapeutic applications for many disorders because of its antioxidant and anti-inflammatory properties. Here, we determined the effect of HRS in ...
BRAIN - NEUROPROTECTION

Effects of hydrogen-rich water on attenuating fatigue induced by daily activities or mental tasks

Year Published: 2018

Objectives In 2007, the first report that hydrogen removes active oxygen was published, and many clinical and non-clinical studies have since been conducted using hydrogen gas or water. Several diseases and symptoms are related to active oxygen, and fatigue is also induced by increases in oxidative stress. The current randomized, double-blind, placebo-controlled, crossover study was conducted to ...
BRAIN - ANXIETY

Hydrogen-rich water for improvements of mood, anxiety, and autonomic nerve function in daily life

Year Published: 2018

Health and a vibrant life are sought by everyone. To improve quality of life (QOL), maintain a healthy state, and prevent various diseases, evaluations of the effects of potentially QOL-increasing factors are important. Chronic oxidative stress and inflammation cause deteriorations in central nervous system function, leading to low QOL. In healthy individuals, aging, job stress, and cognitive load ...
BRAIN - STROKE

Effects of hydrogen on polarization of macrophages and microglia in a stroke model

Year Published: 2018

It has been confirmed that inflammation plays an important role in the pathogenesis of ischemic stroke. The polarization of microglia as an important participant in the inflammation following stroke is also found to be involved in stroke. This study aimed to investigate the effects of hydrogen gas on the polarization of macrophages/microglia in vitro. Raw264.7 cells were treated with ...
BRAIN - DEMENTIA

Effects of Molecular Hydrogen Assessed by an Animal Model and a Randomized Clinical Study on Mild ...

Year Published: 2018

Background: Oxidative stress is one of the causative factors in the pathogenesis of neurodegenerative diseases including mild cognitive impairment (MCI) and dementia. We previously reported that molecular hydrogen (H2) acts as a therapeutic and preventive antioxidant. Objective: We assess the effects of drinking H2-water (water infused with H2) on oxidative stress model mice and subjects with MCI. ...
BRAIN - TRAUMATIC BRAIN INJURY

Molecular Hydrogen Prevents Social Deficits and Depression-Like Behaviors Induced by Low-Intensity ...

Year Published: 2018

Detonation of explosive devices creates blast waves, which can injure brains even in the absence of external injuries. Among these, blast-induced mild traumatic brain injury (bmTBI) is increasing in military populations, such as in the wars in Afghanistan, Iraq, and Syria. Although the clinical presentation of bmTBI is not precisely defined, it is frequently associated with psycho-neurological ...
BRAIN - NEUROPROTECTION

Hydrogenized Water Effects on Protection of Brain Cells from Oxidative Stress and Glutamate Toxicity

Year Published: 2018

Hydrogenized water is known to have protective effects on cells and tissues, mainly through its antioxidant activities. Here we examined the protective effects of a commercial source of hydrogenized water on cultured human brain cells. Hydrogenized water was able to protect brain cells from oxidative stress and glutamate toxicity. At H 2 concentrations above 0.01 mM the glutathione levels ...
BRAIN - BRAIN INJURY

Molecular hydrogen alleviates asphyxia-induced neuronal cyclooxygenase-2 expression in newborn pigs

Year Published: 2018

Cyclooxygenase-2 (COX-2) has an established role in the pathogenesis of hypoxic-ischemic encephalopathy (HIE). In this study we sought to determine whether COX-2 was induced by asphyxia in newborn pigs, and whether neuronal COX-2 levels were affected by H2 treatment. Piglets were subjected to either 8 min of asphyxia or a more severe 20 min of asphyxia followed by H2 treatment (inhaling room air ...
BRAIN - NEUROPATHIC PAIN

Hydrogen-Rich Saline Activated Autophagy via HIF-1 α Pathways in Neuropathic Pain Model

Year Published: 2018

Background Neuropathic pain is a chronic and intractable pain, with very few effective analgesics. It involves an impaired cell autophagy process. Hydrogen-rich saline (HRS) reportedly reduces allodynia and hyperalgesia in a neuropathic pain model; however, it is unknown whether these effects involve autophagy induction. Methods We investigated the relationship between HRS and cell autophagy in a ...
BRAIN - TRAUMATIC BRAIN INJURY

Hydrogen Gas Treatment Improves the Neurological Outcome After Traumatic Brain Injury Via Increasing ...

Year Published: 2018

Hydrogen gas (H2) exerts a beneficial effect against traumatic brain injury (TBI). microRNA-21 (miR-21) is one of the most highly expressed members of small non-coding microRNA family in mammalian cells. miR-21 can improve the neurological outcome after TBI. In the present study, we investigated whether H2 treatment could improve the neurological outcome after TBI via increasing miR-21 expression. ...
BRAIN - STROKE

Hydrogen exerts neuroprotective effects on OGD/R damaged neurons in rat hippocampal by protecting ...

Year Published: 2018

Cerebral ischemia/reperfusion injury (IRI) is a serious complication during the treatment of stroke patients with very few effective clinical treatment. Hydrogen (H2) can protect mitochondria function and have favorable therapeutic effects on cerebral IRI. Mitophagy plays an important role in eliminating damaged or dysfunctional mitochondria and maintaining mitochondria homeostasis. However, ...
BRAIN - PARKINSON'S DISEASE

Randomized, double-blind, multicenter trial of hydrogen water for Parkinson's disease: New ...

Year Published: 2018

Background: Our previous randomized double-blind study showed that drinking hydrogen (H2) water for 48 weeks significantly improved the total Unified Parkinson’s Disease Rating Scale (UPDRS) score of Parkinson’s disease (PD) patients treated with levodopa. We aim to confirm this result using a randomized double-blind placebo-controlled multi-center trial. Methods: Changes in the total UPDRS ...
BRAIN - TRAUMATIC BRAIN INJURY

Hydrogen-rich water attenuates oxidative stress in rats with traumatic brain injury via Nrf2 pathway

Year Published: 2018

Background: Several studies have recently found that oxidative stress plays a pivotal role in the pathogenesis of traumatic brain injury (TBI) and may represent a target in TBI treatment. Hydrogen-rich water was recently shown to exert neuroprotective effects in various neurological diseases through its antioxidant properties. However, the mechanisms underlying its effects in TBI are not clearly ...
BRAIN - CARDIOPULMONARY RESUSCITATION (CPR)

Hydrogen Inhalation is Superior to Mild Hypothermia for Improving Neurological Outcome and Survival ...

Year Published: 2017

Background: Postcardiac arrest syndrome is the consequence of whole-body ischemia-reperfusion events that lead to multiple organ failure and eventually to death. Recent animal studies demonstrated that inhalation of hydrogen greatly mitigates postresuscitation myocardial dysfunction and brain injury. However, the influence of underlying heart disease on the efficacy of hydrogen is still unknown. ...
BRAIN - SURGERY/TRANSPLANTATION

Hydrogen-Rich Saline Attenuates Brain Injury Induced by Cardiopulmonary Bypass and Inhibits ...

Year Published: 2017

Background/aims: Cardiopulmonary bypass (CPB) is prone to inducing brain injury during open heart surgery. A hydrogen-rich solution (HRS) can prevent oxidation and apoptosis, and inhibit inflammation. This study investigated effects of HRS on brain injury induced by CPB and regulatory mechanisms of the PI3K/Akt/GSK3β signaling pathway. Methods: A rat CPB model and an in vitro cell hypoxia model ...
BRAIN - STRESS RESILIENCE

Molecular hydrogen increases resilience to stress in mice

Year Published: 2017

The inability to successfully adapt to stress produces pathological changes that can lead to depression. Molecular hydrogen has anti-oxidative and anti-inflammatory activities and neuroprotective effects. However, the potential role of molecular hydrogen in stress-related disorders is still poorly understood. The present study aims to investigate the effects of hydrogen gas on resilience to stress ...
BRAIN - CARDIOPULMONARY RESUSCITATION (CPR)

Hydrogen-rich saline attenuates hippocampus endoplasmic reticulum stress after cardiac arrest in ...

Year Published: 2017

Background: Hydrogen-rich saline can selectively scavenge reactive oxygen species (ROS) and protect brain against ischemia reperfusion (I/R) injury. Endoplasmic reticulum stress (ERS) has been implicated in the pathological process of cerebral ischemia. However, very little is known about the role of hydrogen-rich saline in mediating pathophysiological reactions to ERS after I/R injury caused by ...
BRAIN - NEUROPROTECTION

Hydrogen-rich saline attenuates isoflurane-induced caspase-3 activation and cognitive impairment via ...

Year Published: 2017

Objectives: The inhaled general anesthetic isoflurane has been shown to induce caspase-3 activation in vitro and in vivo. The underlying mechanisms and functional consequences of this activity remain unclear. Isoflurane can induce caspase-3 activation by causing accumulation of reactive oxygen species (ROS), mitochondrial dysfunction, and reduction in adenosine triphosphate (ATP) levels. This ...
BRAIN - BRAIN INJURY

Hydrogen saline suppresses neuronal cell apoptosis and inhibits the p38 mitogen-activated protein ...

Year Published: 2017

Cerebral ischemia‑reperfusion injury (CIRI) is a serious pathological disease that is associated with a high rate death and disability. Saturated hydrogen (H2) saline exhibits brain protective functions through anti‑inflammatory, antioxidant and antiapoptotic effects. The present study investigated the potential treatment effects of H2 on CIRI. In addition, the potential protective mechanisms ...
BRAIN - TRAUMATIC BRAIN INJURY

Effect of hydrogen-rich water on the CD34 expression in lesion boundary brain tissue of rats with ...

Year Published: 2017

Objective: To observe the effect of hydrogen-rich water on the CD34 expression and angiogenesis in lesion boundary brain tissue of rats with traumatic brain injury (TBI). Methods: A total of 54 adult male Sprague-Dawley (SD) rats were divided into three groups by random number table: namely sham-operated group (sham group), trauma group (TBI group), and trauma + hydrogen-rich water group (TBI+HW ...
BRAIN - ANXIETY

Natural reduced water suppressed anxiety and protected the heightened oxidative stress in rats

Year Published: 2017

Background: In Japan, the effects of reduced water, such as hydrogen-rich electrolyzed reduced water and natural reduced water, like Hita Tenryosui water®, have been examined. The purpose of the present study was to identify the role of natural reduced water in anxiety and blood biochemical analysis.Materials and methods: Natural reduced water and distilled water were administered to rats for 180 ...
BRAIN - ROS-SCAVENGING

Molecular hydrogen protects against oxidative stress-induced SH-SY5Y neuroblastoma cell death ...

Year Published: 2017

Inhalation of molecular hydrogen (H2) gas ameliorates oxidative stress-induced acute injuries in the brain. Consumption of water nearly saturated with H2 also prevents chronic neurodegenerative diseases including Parkinson's disease in animal and clinical studies. However, the molecular mechanisms underlying the remarkable effect of a small amount of H2 remain unclear. Here, we investigated the ...
BRAIN - STROKE

Hydrogen Gas Inhalation Treatment in Acute Cerebral Infarction: A Randomized Controlled Clinical ...

Year Published: 2017

Background: Molecular hydrogen (H2) acts as a therapeutic antioxidant. Inhalation of H2 gas (1-4%) was effective for the improvement of cerebral infarction in multiple animal experiments. Thus, for actual applications, a randomized controlled clinical study is desired to evaluate the effects of inhalation of H2 gas. Here, we evaluate the H2 treatment on acute cerebral infarction. Methods: Through ...
BRAIN - NEUROPROTECTION

Hydrogen gas attenuates sevoflurane neurotoxicity through inhibiting nuclear factor ...

Year Published: 2017

Anesthesia neurotoxicity in developing brain has gained increasing attention. However, knowledge regarding its mitigating strategies remains scant. Sevoflurane, a commonly used anesthetic, is responsible for learning and memory deficits in neonates. Molecular hydrogen is reported to be a potential neuroprotective agent because of its antioxidative and anti-inflammatory activities. This study aimed ...