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Literature ReviewMechanisms Review

Therapeutic Efficacy of Molecular Hydrogen: A New Mechanistic Insight

MHID-7292103PMID: 310571052019Current Pharmaceutical Design

Toru Ishibashi

Background: Molecular hydrogen (H2) is now recognized as a therapeutic gas for the treatment of numerous diseases including neurodegenerative diseases, metabolic disorders, and inflammatory diseases. Non- polar, neutral H2 is assumed to have health benefits facilitated by its passive diffusion across the human body immediately after administration and is considered a safe therapeutic inert gas tha

Literature Review

Recent Advances in Studies of Molecular Hydrogen against Sepsis

MHID-1011283PMID: 312232852019International Journal of Biological Sciences

Peng Qiu, Yang Liu, Jin Zhang

Sepsis is a syndrome comprised of a series of life-threatening organ dysfunctions caused by a maladjusted body response to infection with no effective treatment. Molecular hydrogen is a new type of antioxidant with strong free radical scavenging ability, which has been demonstrated to be effective for treating various diseases, such as infection, trauma, poisoning, organ ischemia-reperfusion, meta

Animal StudyHighlighted

Regulation of microRNAs by molecular hydrogen contributes to the prevention of radiation-induced damage in the rat myocardium

MHID-7662943PMID: 308305292019Molecular and Cellular Biochemistry

Branislav Kura, Barbora Kalocayova, Tyler W. LeBaron, Karel Frimmel, Jozef Buday, Juraj Surovy, et al.

microRNAs (miRNAs) constitute a large class of post-transcriptional regulators of gene expression. It has been estimated that miRNAs regulate up to 30% of the protein-coding genes in humans. They are implicated in many physiological and pathological processes, including those involved in radiation-induced heart damage. Biomedical studies indicate that molecular hydrogen has potential as a radiopro

Clinical TrialObservational StudyHighlighted

Hydrogen gas restores exhausted CD8+ T cells in patients with advanced colorectal cancer to improve prognosis

MHID-0370162PMID: 305427402019Oncology Reports

Junji Akagi, Hideo Baba

Exhausted cluster of differentiation (CD)8+ T cells lose immunological activity due to mitochondrial dysfunction caused by peroxisome proliferator‑activated receptor γ coactivator 1α (PGC‑1α) inactivation, resulting in a poor prognosis in patients with cancer. As hydrogen gas was recently reported to activate PGC‑1α, the present study investigated whether it restores exhausted CD8+ T cells to impr

Animal StudyHighlighted

Hydrogen Water Drinking Exerts Antifatigue Effects in Chronic Forced Swimming Mice via Antioxidative and Anti-Inflammatory Activities

MHID-6575678PMID: 298504922018BioMed Research International

Jesmin Ara, Ailyn Fadriquela, Md Faruk Ahmed, Johny Bajgai, Ma Easter Joy Sajo, Sung Pyo Lee, et al.

Purpose. This study was performed to evaluate antifatigue effect of hydrogen water (HW) drinking in chronic forced exercise mice model. Materials and Methods. Twelve-week-old C57BL6 female mice were divided into nonstressed normal control (NC) group and stressed group: (purified water/PW-treated group and HW-treated group). Stressed groups were supplied with PW and HW, respectively, ad libitum an

Animal StudyHighlighted

Hydrogen-Rich Water Ameliorates Autistic-Like Behavioral Abnormalities in Valproic Acid-Treated Adolescent Mice Offspring

MHID-7672684PMID: 301277282018Frontiers in Behavioral Neuroscience

Qingjun Guo, Xi Yin, Meng Qiao, Yujiao Jia, Dandan Chen, Juan Shao, et al.

Due to its anti-inflammatory and anti-oxidative effects, recent research has demonstrated that molecular hydrogen can serve as a new medical approach for depression, anxiety and traumatic brain injury. However, its potential effects on neurodevelopmental diseases, such as autism are still elusive. The present study aims to investigate the potential effects of hydrogen-rich water (HRW) administratio

Literature Review

Molecular hydrogen as a new selective anti-oxidation therapeutic medical gas for clinical research

MHID-31863052018Asia-Pacific Journal of Blood Types and Genes

Jinqi Li, Yan Zang, Haihui Gu, Baohua Qian

Hydrogen (H2) is a colorless, odorless gas that can act as a reducing agent under certain circumstances. Previously considered physiologically an inert and nonfunctional molecule in mammalian cells, H2 largely went ignored until Nature Medicine revealed the antioxidant and cytoprotective effects of hydrogen gas in a focal stroke model. Reactive oxygen species (ROS) is generated inside the body thr

Animal StudyIn VitroHighlighted

Local generation of hydrogen for enhanced photothermal therapy

MHID-4778348PMID: 303151732018Nature Communications

Penghe Zhao, Zhaokui Jin, Qian Chen, Tian Yang, Danyang Chen, Jin Meng, et al.

By delivering the concept of clean hydrogen energy and green catalysis to the biomedical field, engineering of hydrogen-generating nanomaterials for treatment of major diseases holds great promise. Leveraging virtue of versatile abilities of Pd hydride nanomaterials in high/stable hydrogen storage, self-catalytic hydrogenation, near-infrared (NIR) light absorption and photothermal conversion, here

Animal StudyIn VitroHighlighted

Hydrogen-Rich Saline Attenuates Brain Injury Induced by Cardiopulmonary Bypass and Inhibits Microvascular Endothelial Cell Apoptosis Via the PI3K/Akt/GSK3β Signaling Pathway in Rats

MHID-9607497PMID: 290409782017Cellular Physiology and Biochemistry

Keyan Chen, Nan Wang, Yugang Diao, Wanwei Dong, YingJie Sun, Lidan Liu, et al.

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 w

Animal Study

Effects of hydrogen-rich saline on endotoxin-induced uveitis

MHID-3418806PMID: 284800272017Medical Gas Research

Wei-ming Yan, Lei Zhang, Tao Chen, Guan-hua Zhao, Pan Long, Jing An, et al.

The therapeutic effects of hydrogen-rich saline (HRS) have been reported for a wide range of diseases mainly via selectively reducing the amount of reactive oxygen species. Oxidative stress plays an important role in the pathogenesis of uveitis and endotoxin-induced uveitis (EIU). In this study, we investigated whether HRS can mitigate EIU in rats. Sprague-Dawley rats were randomly divided into No

Animal StudyHighlighted

Hydrogen-rich water protects against inflammatory bowel disease in mice by inhibiting endoplasmic reticulum stress and promoting heme oxygenase-1 expression

MHID-9957925PMID: 282930842017World Journal of Gastroenterology

Nai-Ying Shen, Jian-Bin Bi, Jing-Yao Zhang, Si-Min Zhang, Jing-Xian Gu, Kai Qu, et al.

AIM To investigate the therapeutic effect of hydrogen-rich water (HRW) on inflammatory bowel disease (IBD) and to explore the potential mechanisms involved. METHODS Male mice were randomly divided into the following four groups: control group, in which the mice received equivalent volumes of normal saline (NS) intraperitoneally (ip); dextran sulfate sodium (DSS) group, in which the mice received NS

Animal StudyHighlighted

Protective Effects of Hydrogen-Rich Saline Against Lipopolysaccharide-Induced Alveolar Epithelial-to-Mesenchymal Transition and Pulmonary Fibrosis

MHID-4298510PMID: 285227972017Medical Science Monitor

Wen-Wen Dong, Yun-Qian Zhang, Xiao-Yan Zhu, Yan-Fei Mao, Xue-Jun Sun, Yu-Jian Liu, et al.

Background: Fibrotic change is one of the important reasons for the poor prognosis of patients with acute respiratory distress syndrome (ARDS). The present study investigated the effects of hydrogen-rich saline, a selective hydroxyl radical scavenger, on lipopolysaccharide (LPS)-induced pulmonary fibrosis. Material/Methods: Male ICR mice were divided randomly into 5 groups: Control, LPS-treated p

Animal StudyHighlighted

Hydrogen-rich saline attenuates eosinophil activation in a guinea pig model of allergic rhinitis via reducing oxidative stress

MHID-5191051PMID: 281009592017Journal of Inflammation

Shaoqing Yu, Chuanliang Zhao, Na Che, Lin Jing, Rongming Ge

Background: It is well considered that reactive oxygen species (ROS) plays a prominent causative role in the development of allergic rhinitis (AR), and eosinophils cells as important allergic inflammatory cells contribute to elevating oxidative stress. Hydrogen, emerging as a novel antioxidant, has been proven effective in selectively reducing ROS in animals models of oxidative damage. We herein a

Mechanisms ReviewHighlighted

Saturated hydrogen saline ameliorates lipopolysaccharide-induced acute lung injury by reducing excessive autophagy (Review)

MHID-2497534PMID: 285968082017Experimental and Therapeutic Medicine

YIMING LIU, Jin Zhang

The pathogenesis of acute lung injury (ALI) induced by lipopolysaccharide (LPS) involves excessive pulmonary inflammation and oxidative stress. In turn, autophagy is associated with inflammatory diseases and organ dysfunction, and studies have demonstrated that LPS treatment may trigger autophagy. Thus, excessive autophagy may stimulate the strong inflammatory response observed in the development

Animal StudyIn VitroHighlighted

Anti-oxidant and anti-inflammatory effects of hydrogen-rich water alleviate ethanol-induced fatty liver in mice

MHID-7490434PMID: 287851462017World Journal of Gastroenterology

Ching-Pin Lin, Wen-Chen Chuang, Fung-Jou Lu, Chih-Yen Chen

AIM To investigate the effects of hydrogen-rich water (HRW) treatment on prevention of ethanol (EtOH)-induced early fatty liver in mice. METHODS In vitro reduction of hydrogen peroxide by HRW was determined with a chemiluminescence system. Female mice were randomly divided into five groups: control, EtOH, EtOH + silymarin, EtOH + HRW and EtOH + silymarin + HRW. Each group was fed a Lieber-DeCarli

Literature Review

Molecular Hydrogen as a Neuroprotective Agent

MHID-9316740PMID: 272811762017Current Neuropharmacology

Masumi Iketani, Ikuroh Ohsawa

Oxidative stress and neuroinflammation cause many neurological disorders. Recently, it has been reported that molecular hydrogen (H2) functions as an antioxidant and anti-inflammatory agent. The routes of H2 administration in animal model and human clinical studies are roughly classified into three types, inhalation of H2 gas, drinking H2-dissolved water, and injection of H2-dissolved saline. This

Literature ReviewHighlighted

Meeting report: Second Hydrogen Molecule Biomedical Symposium in Beijing, China

MHID-2847992PMID: 278264242016Medical Gas Research

Ou-yang Chen, Zhou-heng Ye, Chong Li

June 27, 2015, the Second Hydrogen Molecule Biomedical Symposium and the Second meeting of the Professional Committee of Molecular Hydrogen Biology and Medicine of China Association of Promoting International Communication of health care was grand opening in the Capital of China, Beijing, sponsored by China Association of Promoting International Communication of health care, undertaken by Professi

Animal StudyHighlighted

Protective Effects of Hydrogen against Low-Dose Long-Term Radiation-Induced Damage to the Behavioral Performances, Hematopoietic System, Genital System, and Splenic Lymphocytes in Mice

MHID-7644453PMID: 277741162016Oxidative Medicine and Cellular Longevity

Jiaming Guo, Deyun Zhao, Xiao Lei, Hainan Zhao, Yanyong Yang, Pei Zhang, et al.

Molecular hydrogen (H2) has been previously reported playing an important role in ameliorating damage caused by acute radiation. In this study, we investigated the effects of H2 on the alterations induced by low-dose long-term radiation (LDLTR). All the mice in hydrogen-treated or radiation-only groups received 0.1 Gy, 0.5 Gy, 1.0 Gy, and 2.0 Gy whole-body gamma radiation, respectively. After the

In VitroHighlighted

Molecular hydrogen inhibits lipopolysaccharide-triggered NLRP3 inflammasome activation in macrophages by targeting the mitochondrial reactive oxygen species

MHID-1084413PMID: 264880872016Biochimica et Biophysica Acta - Molecular Cell Research

Jian-Dong Ren, Xiao-Bo Wu, Rui Jiang, Da-Peng Hao, Yi Liu

The NLRP3 inflammasome, an intracellular multi-protein complex controlling the maturation of cytokine interleukin-1β, plays an important role in lipopolysaccharide (LPS)-induced inflammatory cascades. Recently, the production of mitochondrial reactive oxygen species (mtROS) in macrophages stimulated with LPS has been suggested to act as a trigger during the process of NLRP3 inflammasome activation

Animal StudyIn Vitro

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

MHID-6216976PMID: 267090142016Free radical biology & medicine

Imai K, Kotani T, Tsuda H, Mano Y, Nakano T, Ushida T, et al.

Exposure to inflammation in utero is related to perinatal brain injury, which is itself associated with high rates of long-term morbidity and mortality in children. Novel therapeutic interventions during the perinatal period are required to prevent inflammation, but its pathogenesis is incompletely understood. Activated microglia are known to play a central role in brain injury by producing a vari