This study aimed to evaluate the potential role of hydrogen in rats after cerebral ischemic/reperfusion (I/R) injury. The experimental samples were composed of sham group, model group of rats that received middle cerebral artery occlusion (MCAO) for 2 hr followed by reperfusion for 24 hr, and the hydrogen saline group treated by hydro¬gen-rich saline (1 ml/kg) after MCAO. Hydrogen sulfide …
Hydrogen improves neurological outcomes
This study aimed to investigate the role of necroptosis in the neuroprotection of hydrogen in a mouse model of cerebral ischemia/reperfusion (I/R) injury. C57BL mice were randomly divided into sham group, I/R group, hydrogen/oxygen group (HO), nitrogen/oxygen group (NO). Middle cerebral artery occlusion (MCAO) for 1 hour followed by reperfusion was introduced to animals which were allowed to inhale 66.7% …
Hydrogen gas inhalation in acute cerebral infarction
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, the authors evaluate the H2 treatment on acute cerebral infarction. Through this randomized controlled …
Hydrogen therapy: from mechanism to cerebral diseases
The medicinal value of hydrogen (H2) was ignored prior to research illustrating that inhalation of 2% H2 can significantly decrease the damage of cerebral ischemia/reperfusion caused by oxidative stress via selective elimination of hydroxyl freebase (OH) and peroxynitrite anion (ONOO-). Subsequently, there have been numerous experiments on H2. Most research and trials involving the mechanisms underlying H2 therapy show the …
Inhalation of hydrogen ameliorates cerebral ischemia-reperfusion injury
Hydrogen is a kind of noble gas with the character to selectively neutralize reactive oxygen species. Former researches proved that low-concentration of hydrogen can be used to ameliorating cerebral ischemia/reperfusion injury. Hydrogen electrolyzed from water has a hydrogen concentration of 66.7%, which is much higher than that used in previous studies. And water electrolysis is a potential new hydrogen resource …
Neuroprotective effect of hydrogen-rich saline
Recently, it has been suggested that molecular hydrogen (H2) can selectively reduce the levels of hydroxyl radicals (.OH), and ameliorate oxidative and inflammatory injuries to organs in global cerebral ischemia reperfusion models. Global cerebral ischemia/reperfusion (I/R) can induce a sudden activation of inflammatory cytokines and later influence the systemic immunoreactivity which may contribute to a worse outcome. Regulatory T cells …
Hydrogen-rich saline attenuating global cerebral ischemia-reperfusion injury
The aim of this study was t investigate the role of FOXO3a in process of hydrogen-rich saline attenuating global cerebral ischemia-reperfusion (I/R) injury in rats. Seventy-two male Sprague Dawley rats, weighing 280-320 g, were randomly divided into six groups (n = 12 each) : sham operation group (group I), cerebral ischemia-reperfusion group (group II), hydrogen-rich saline group (group III), …
Hydrogen-rich saline, focal cerebral ischemia and inflammatory cytokines
Hydrogen gas (H(2)) as a new medical gas exerts organ-protective effects through regulating oxidative stress, inflammation and apoptosis. In contrast to H(2), hydrogen-rich saline (HS) may be more suitable for clinical application. The present study was designed to investigate whether HS can offer a neuroprotective effect in a rat model of permanent focal cerebral ischemia and what mechanism(s) underlies the …
Molecular hydrogen inhalation in acute cerebral ischemia patients
In animal experiments, use of molecular hydrogen (H2) has been regarded as quite safe and effective, showing benefits in multiple pathological conditions such as ischemia-reperfusion injury of the brain, heart, kidney and transplanted tissues, traumatic and surgical injury of the brain and spinal cord, inflammation of intestine and lung , degenerative striatonigral tissue and also in many other situations. However, …
Hydrogen supplemented air inhalation reduces transient global cerebral ischemia
Transient global cerebral ischemia (TGCI) occurs during acute severe hypotension depriving the brain of oxygen and glucose for a short period of time. During reperfusion, several mechanisms can induce secondary neuronal damage, including the increased production of reactive oxygen species (ROS). Hydrogen gas-enriched air inhalation is a neuroprotective approach with proven antioxidant potential, which has not yet been examined in …
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