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Studies Found: 256

BRAIN - SEPSIS

PPARα contributes to the therapeutic effect of hydrogen gas against sepsis-associated ...

Year Published: 2022

Sepsis-associated encephalopathy (SAE), a fatal complication of sepsis, contributes to cognitive impairment, high morbidity, and mortality. The molecular mechanism of hydrogen (H2) administration, as a promising strategy for the treatment of SAE, is still unclear. Peroxisome proliferator-activated receptor α (PPARα) is essential for alleviating symptoms and complications of SAE. However, little ...
BRAIN - CARDIAC ARREST

FDG-PET/CT Assessment of the Cerebral Protective Effects of Hydrogen in Rabbits with Cardiac Arrest

Year Published: 2022

Background: Anatomical imaging methods and histological examinations have limited clinical value for early monitoring of brain function damage after cardiac arrest (CA) in vivo. Objective: We aimed to assess the cerebral protective effects of hydrogen in rabbits with CA by using fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT). Methods: Male rabbits were divided ...
PREGNANCY - NEUROPROTECTION

Social Communication of Maternal Immune Activation-Affected Offspring Is Improved by Si-Based ...

Year Published: 2022

Maternal immune activation (MIA) is triggered by infection or autoimmune predisposition during pregnancy, and cytokines produced by MIA are transmitted through the placenta to the fetal brain, implicating at the onset risks and vulnerability for developmental and psychiatric disorders, such as autism spectrum disorder (ASD) and schizophrenia. To address these kinds of problem in child health, we ...
EYE - RETINAL INJURY

Drinking hydrogen water improves photoreceptor structure and function in retinal degeneration 6 mice

Year Published: 2022

Retinitis pigmentosa (RP) is a genetically heterogeneous group of inherited retinal disorders involving the progressive dysfunction of photoreceptors and the retinal pigment epithelium, for which there is currently no treatment. The rd6 mouse is a natural model of autosomal recessive retinal degeneration. Given the known contributions of oxidative stress caused by reactive oxygen species (ROS) and ...
BRAIN - DIABETES

Molecular Hydrogen Mediates Neurorestorative Effects After Stroke in Diabetic Rats: the TLR4/NF-κB ...

Year Published: 2022

Diabetes 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 ...
BRAIN - NEUROPATHIC PAIN

Hydrogen-Rich Water as a Novel Therapeutic Strategy for the Affective Disorders Linked with Chronic ...

Year Published: 2022

Neuropathic pain manifested with allodynia and hyperalgesia usually becomes a chronic condition accompanied with mood disorders. Clinical therapies for neuropathic pain are still unsatisfactory with notable side effects. Recent studies have reported the protective role of molecular hydrogen (H2) in different diseases including neurological disorders, such as Alzheimer's as well as its ...
BRAIN - NEUROPATHIC PAIN

Treatment with Hydrogen-Rich Water Improves the Nociceptive and Anxio-Depressive-like Behaviors ...

Year Published: 2022

Chronic inflammatory pain is manifested in many diseases. The potential use of molecular hydrogen (H2) as a new therapy for neurological disorders has been demonstrated. Recent studies prove its analgesic properties in animals with neuropathic pain, but the possible antinociceptive, antidepressant, and/or anxiolytic actions of H2 during persistent inflammatory pain have not been investigated. ...
BRAIN - CARDIAC ARREST

Influence of oxygen concentration on the neuroprotective effect of hydrogen inhalation in a rat ...

Year Published: 2022

Background: Post-cardiac arrest (CA) brain injury is the main cause of death in patients resuscitated from CA. Previous studies demonstrated that hydrogen inhalation mitigates post-CA brain injury. However, factors affecting the efficacy of hydrogen remain unknown. In the present study, we investigated the influence of oxygen concentration and targeted temperature on neuroprotective effect in a CA ...
EAR - HEARING LOSS

A double-blinded, randomized controlled clinical trial of hydrogen inhalation therapy for idiopathic ...

Year Published: 2022

Background: Hydrogen (H2) has been reported to be effective in reducing hearing loss due to several causes in animal studies. However, no study has examined the effectiveness of H2 in treating hearing loss in humans. Thus, we investigated whether H2 is effective for the treatment of idiopathic sudden sensorineural hearing loss (ISSNHL). Materials and methods: We conducted a double-blind randomized ...
INTESTINE - GUT MICROBIOME

Effects of molecular hydrogen intervention on the gut microbiome in methamphetamine abusers with ...

Year Published: 2022

Methamphetamine (METH) is a potent and highly addictive psychostimulant and one of the most widely used illicit drugs, the abuse of which has become a severe public health problem worldwide. A growing amount of evidence has indicated potential connections between gut microbiota and mental disorders induced by METH and associations with neural and metabolic pathways. The present study aimed to ...
BRAIN - GUT MICROBIOME

Effect of molecular hydrogen treatment on Sepsis-Associated encephalopathy in mice based on gut ...

Year Published: 2022

Introduction: In our experiments, male wild-type mice were randomly divided into four groups: the sham, SAE, SAE + 2% hydrogen gas inhalation (H2 ), and SAE + hydrogen-rich water (HW) groups. The feces of the mice were collected for 16 S rDNA analysis 24 h after the models were established, and the serum and brain tissue of the mice were collected for nontargeted metabolomics analysis. Aim: ...
INTESTINE - SURGERY/TRANSPLANTATION

Hydrogen gas and preservation of intestinal stem cells in mesenteric ischemia and reperfusion

Year Published: 2022

Background: Patients with mesenteric ischemia frequently suffer from bowel necrosis even after revascularization. Hydrogen gas has showed promising effects for ischemia-reperfusion injury by reducing reactive oxygen species in various animal and clinical studies. We examined intestinal tissue injury by ischemia and reperfusion under continuous initiation of 3% hydrogen gas. Aim: To clarify the ...
BRAIN - BRAIN INJURY

Pharmacokinetics of hydrogen administered intraperitoneally as hydrogen-rich saline and its effect ...

Year Published: 2022

Intraperitoneal administration of hydrogen (H2)-containing saline inhibited neuronal cell death in ischemic stroke in a number of animal models, but it is unknown whether H2 is absorbed from the abdominal cavity into the blood and reaches the brain. In this study, we investigated whether intraperitoneal administration of saline containing H2 inhibits neuronal cell death caused by cerebral ischemia ...
SPINE - NEUROPATHIC PAIN

Hydrogen-Rich Saline Attenuates Chronic Allodynia after Bone Fractures via Reducing Spinal ...

Year Published: 2022

Purpose: Neuroinflammation often initiates iron overload in the pathogenesis of neurological disorders. Chemokine-driven neuroinflammation is required for central sensitization and chronic allodynia following fractures, but specific molecular modulations are elusive. This present study explored whether hydrogen-rich saline, as one potent anti-inflammatory pharmaceutical, could alleviate ...
BRAIN - SEPSIS

Effects of hydrogen-rich saline in neuroinflammation and mitochondrial dysfunction in rat model of ...

Year Published: 2022

Background: Sepsis-associated encephalopathy (SAE) is one of the most common types of sepsis-related organ dysfunction without overt central nervous system (CNS) infection. It is associated with higher mortality, low quality of life, and long-term neurological sequelae in suspected patients. At present there is no specific treatment for SAE rather than supportive therapy and judicious use of ...
BRAIN - SEPSIS

Hydrogen alleviated neuronal injury and neuroinflammation induced by microglial activation via the ...

Year Published: 2021

Objective: Sepsis-associated encephalopathy (SAE) is characterized by diffuse cerebral and central nervous system (CNS) dysfunction. Microglia play a vital role in protecting the brain from neuronal damage, which is closely related to inflammatory responses. The Nrf2 signaling pathway has an impact on microglial and neuronal injury. Here, we mainly explored the molecular mechanism by which H2 ...
BRAIN - ADDICTION

Hydrogen enriched saline alleviates morphine tolerance via inhibiting neuroinflammation, GLT-1, GS ...

Year Published: 2021

The development and maintenance of morphine tolerance showed association with neuroinflammation and dysfunction of central glutamatergic system (such as nitration of glutamate transporter). Recent evidence indicated that hydrogen could reduce the levels of neuroinflammation and oxidative stress, but its role in morphine tolerance has not been studied. The rats were intrathecally administered with ...
WHOLE BODY - CANCER

Drinking Hydrogen-Rich Water Alleviates Chemotherapy-Induced Neuropathic Pain Through the Regulation ...

Year Published: 2021

Introduction: Chemotherapy-induced neuropathic pain (CINP) is one of the most common complications of chemotherapeutic drugs which limits the dose and duration of potentially life-saving anticancer treatment and compromises the quality of life of patients. Our previous studies have reported that molecular hydrogen (H2) can be used to prevent and treat various diseases. But the underlying mechanism ...
BRAIN - STROKE

Intravenous Hydrogen Therapy With Intracisternal Magnesium Sulfate Infusion in Severe Aneurysmal ...

Year Published: 2021

Background and purpose: Poor-grade subarachnoid hemorrhage still has a poor prognosis. This randomized controlled clinical trial evaluated intracisternal magnesium sulfate infusion combined with intravenous hydrogen therapy in patients with poor-grade subarachnoid hemorrhage. Methods: Thirty-seven patients with poor-grade subarachnoid hemorrhage were randomized to Mg+H2, Mg, and control groups. Mg ...
BRAIN - PARKINSON'S DISEASE

Effects of concomitant use of hydrogen water and photobiomodulation on Parkinson disease: A pilot ...

Year Published: 2021

Background: Parkinson disease (PD), the second most common neurodegenerative disease, has no cure or applicable disease-modifying approach, only symptomatic therapy. Oxidative stress and mitochondrial dysfunction play key roles in PD pathophysiology. Animal studies have demonstrated that photobiomodulation (PBM) may enhance mitochondrial function and boost adenosine triphosphate production, thus ...
BRAIN - SEPSIS

Hydrogen gas alleviates sepsis-induced neuroinflammation and cognitive impairment through regulation ...

Year Published: 2021

Sepsis-associated encephalopathy (SAE) can cause acute and long-term cognitive impairment and increase the mortality rate in sepsis patients, and we previously reported that 2% hydrogen gas (H2) inhalation has a therapeutic effect on SAE, but the underlying mechanism remains unclear. Dynamic DNA methylation, which catalyzed by DNA methyltransferases (DNMTs), is involved in the formation of ...
BRAIN - PARKINSON'S DISEASE

Hydrogen-saturated saline mediated neuroprotection through autophagy via PI3K/AKT/mTOR pathway in ...

Year Published: 2021

Some cardiovascular symptoms in the early stage of Parkinson's disease (PD) were related to degeneration of the rostral ventrolateral medulla (RVLM) catecholaminergic neurons. To date, little is known about the effects of hydrogen water on early stage of PD. Here, protective actions of hydrogen-saturated saline (HS) on rotenone-induced PD rats, as well as its underlying mechanisms were ...
BRAIN - BRAIN INJURY

Hydrogen gas post-conditioning attenuates early neuronal pyroptosis in a rat model of subarachnoid ...

Year Published: 2021

Neuronal pyroptosis serves an important role in the progress of neurologic dysfunction following subarachnoid hemorrhage (SAH), which is predominantly caused by a ruptured aneurysm. Hydrogen gas has been previously reported to be an effective anti-inflammatory agent against ischemia-associated diseases by regulating mitochondrial function. The objective of the present study was to investigate the ...
EAR - HEARING LOSS

Inhalation of Molecular Hydrogen, a Rescue Treatment for Noise-Induced Hearing Loss

Year Published: 2021

Noise exposure is the most important external factor causing acquired hearing loss in humans, and it is strongly associated with the production of reactive oxygen species (ROS) in the cochlea. Several studies reported that the administration of various compounds with antioxidant effects can treat oxidative stress-induced hearing loss. However, traditional systemic drug administration to the human ...
BRAIN - PARKINSON'S DISEASE

Randomized double-blind placebo-controlled trial of hydrogen inhalation for Parkinson’s ...

Year Published: 2021

Background: Oxidative stress is involved in the progression of Parkinson's disease (PD). Recent studies have confirmed that molecular hydrogen (H2) functions as a highly effective antioxidant in animal models of PD. A placebo-controlled, randomized, double-blind, parallel-group clinical pilot study was conducted to assess the efficacy of hydrogen gas inhalation in Japanese patients with PD on ...