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Showing 181–200 of 203 articles

Animal StudyIn VitroHighlighted

Hydrogen-supplemented drinking water protects cardiac allografts from inflammation-associated deterioration

MHID-7737580PMID: 231402242012Transplant International

Kentaro Noda, Yugo Tanaka, Norihisa Shigemura, Tomohiro Kawamura, Yinna Wang, Kosuke Masutani, et al.

Recent evidence suggests that molecular hydrogen has therapeutic value for dis- ease states that involve inflammation. We hypothesized that drinking hydro- gen-rich water (HW) daily would protect cardiac and aortic allograft recipients from inflammation-associated deterioration. Heterotopic heart transplantation with short-course tacrolimus immunosuppression and orthotopic aortic trans- plantation w

Animal StudyIn VitroObservational StudyHighlighted

Drinking hydrogen water and intermittent hydrogen gas exposure, but not lactulose or continuous hydrogen gas exposure, prevent 6-hydorxydopamine-induced Parkinson’s disease in rats

MHID-5280800PMID: 226080092012Medical Gas Research

Mikako Ito, Masaaki Hirayama, Kazuaki Yamai, Sae Goto, Masafumi Ito, Masatoshi Ichihara, et al.

Background: Lactulose is a synthetic disaccharide that can be catalyzed only by intestinal bacteria in humans and rodents, and a large amount of hydrogen is produced by bacterial catalysis of lactulose. We previously reported marked effects of ad libitum administration of hydrogen water on prevention of a rat model of Parkinson’s disease (PD). Methods: End-alveolar breath hydrogen concentrations

Clinical TrialHighlighted

Serum Alkalinization and Hydrogen-Rich Water in Healthy Men

MHID-38265332012Mayo Clinic Proceedings

Sergej M. Ostojic, MD, PhD

Metabolic acidosis is a clinical disturbance characterized by low pH in body tissues and blood and a variety of neuromuscular and cardiorespiratory responses.1 Besides treating the initial disorder, the main goal for patients with acidosis is to increase the systemic pH with alkalizing agents, such as bicarbonates2; however, adverse reactions linked to the administration of sodium bicarbonate (eg,

Clinical TrialObservational Study

Consumption of water containing a high concentration of molecular hydrogen reduces oxidative stress and disease activity in patients with rheumatoid arthritis: an open-label pilot study

MHID-7186474PMID: 230310792012Medical Gas Research

Toru Ishibashi, Bunpei Sato, Mariko Rikitake, Tomoki Seo, Ryosuke Kurokawa, Yuichi Hara, et al.

Background: Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by the destruction of bone and cartilage. Although its etiology is unknown, the hydroxyl radical has been suggested to be involved in the pathogenesis of RA. Recently, molecular hydrogen (H2) was demonstrated to be a selective scavenger for the hydroxyl radical. Also, the method to prepare water containing extrem

Plant StudyHighlighted

Hydrogen gas acts as a novel bioactive molecule in enhancing plant tolerance to paraquat-induced oxidative stress via the modulation of heme oxygenase-1 signalling system

MHID-6657679PMID: 230947982012Plant, Cell and Environment

Qijiang Jin, Weiti Cui, Bin Han, Yanjie Xie, Kaikai Zhu, Wenbiao Shen

Hydrogen gas (H2) was recently proposed as a novel antioxidant and signalling molecule in animals. However, the physiological roles of H2 in plants are less clear. Here, we showed that exposure of alfalfa seedlings to paraquat stress increased endogenous H2 production. When supplied with exogenous H2 or the heme oxygenase-1 (HO-1)-inducer hemin, alfalfa plants displayed enhanced tolerance to oxida

Clinical Trial

Pilot study: Effects of drinking hydrogen-rich water on muscle fatigue caused by acute exercise in elite athletes

MHID-3851590PMID: 225208312012Medical Gas Research

Kosuke Aoki, Atsunori Nakao, Takako Adachi, Yasushi Matsui, Shumpei Miyakawa

Background: Muscle contraction during short intervals of intense exercise causes oxidative stress, which can play a role in the development of overtraining symptoms, including increased fatigue, resulting in muscle microinjury or inflammation. Recently it has been said that hydrogen can function as antioxidant, so we investigated the effect of hydrogen-rich water (HW) on oxidative stress and muscl

Animal StudyIn VitroHighlighted

Hydrogen-rich water inhibits glucose and α,β -dicarbonyl compound-induced reactive oxygen species production in the SHR.Cg-Leprcp/NDmcr rat kidney

MHID-7164222PMID: 227767732012Medical Gas Research

Masanori Katakura, Michio Hashimoto, Yoko Tanabe, Osamu Shido

Background: Reactive oxygen species (ROS) production induced by α,β-dicarbonyl compounds and advanced glycation end products causes renal dysfunction in patients with type 2 diabetes and metabolic syndrome. Hydrogen-rich water (HRW) increases the H2 level in blood and tissues, thus reducing oxidative stress in animals as well as humans. In this study, we investigated the effects of HRW on glucose-

Literature ReviewAnimal StudyHighlighted

Therapeutic Effects of Hydrogen in Animal Models of Parkinson’s Disease

MHID-2487138PMID: 257255222011Parkinson’s Disease

Kyota Fujita, Yusaku Nakabeppu, Mami Noda

Since the first description of Parkinson’s disease (PD) nearly two centuries ago, a number of studies have revealed the clinical symp- toms, pathology, and therapeutic approaches to overcome this intractable neurodegenerative disease. 1-methy-4-phenyl-1,2,3,6- tetrahydropyridine (MPTP) and 6-hydroxydopamine (6-OHDA) are neurotoxins which produce Parkinsonian pathology. From the animal studies using

Human StudyLiterature ReviewAnimal StudyIn VitroHighlighted

The 2011 Medical Molecular Hydrogen Symposium: An inaugural symposium of the journal Medical Gas Research

MHID-1756030PMID: 221460822011Medical Gas Research

Shigeo Ohta, Atsunori Nakao, Kinji Ohno

This report summarizes a brief description/history of the Hydrogen Research Meetings as well as key presentations/oral abstracts delivered in the most recent symposium. Additionally, we introduced 38 diseases and physiological states for which hydrogen exhibits beneficial effects.

Clinical TrialHighlighted

Open-label trial and randomized, double-blind, placebo-controlled, crossover trial of hydrogen-enriched water for mitochondrial and inflammatory myopathies

MHID-2481572PMID: 221466742011Medical Gas Research

Mikako Ito, Tohru Ibi, Ko Sahashi, Masashi Ichihara, Masafumi Ito, Kinji Ohno

Background: Molecular hydrogen has prominent effects on more than 30 animal models especially of oxidative stress-mediated diseases and inflammatory diseases. In addition, hydrogen effects on humans have been reported in diabetes mellitus type 2, hemodialysis, metabolic syndrome, radiotherapy for liver cancer, and brain stem infarction. Hydrogen effects are ascribed to specific radical-scavenging

Animal StudyIn VitroHighlighted

Molecular hydrogen inhibits lipopolysaccharide/interferon c-induced nitric oxide production through modulation of signal transduction in macrophages

MHID-1458727PMID: 217232542011Biochemical and Biophysical Research Communications

Tomohiro Itoh, Nanako Hamada, Riyako Terazawa, Mikako Ito, Kinji Ohno, Masatoshi Ichihara, et al.

Molecular hydrogen has been reported to be effective for a variety of disorders and its effects have been ascribed to the reduction of oxidative stress. However, we have recently demonstrated that hydrogen inhibits type I allergy through modulating intracellular signal transduction. In the present study, we examined the hydrogen effects on lipopolysaccharide/interferon c LPS/IFNc-induced nitric ox

Clinical TrialHighlighted

Effects of drinking hydrogen-rich water on the quality of life of patients treated with radiotherapy for liver tumors

MHID-4803545PMID: 221460042011Medical Gas Research

Ki-Mun Kang, Young-Nam Kang, Ihil-Bong Choi, Yeunhwa Gu, Tomohiro Kawamura, Yoshiya Toyoda, et al.

Background: Cancer patients receiving radiotherapy often experience fatigue and impaired quality of life (QOL). Many side effects of radiotherapy are believed to be associated with increased oxidative stress and inflammation due to the generation of reactive oxygen species during radiotherapy. Hydrogen can be administered as a therapeutic medical gas, has antioxidant properties, and reduces inflam

Animal StudyHighlighted

Effects of hydrogen-rich water on abnormalities in a SHR.Cg-Leprcp/NDmcr rat - a metabolic syndrome rat model

MHID-2760312PMID: 221460832011Medical Gas Research

Michio Hashimoto, Masanori Katakura, Toru Nabika, Yoko Tanabe, Shahdat Hossain, Satoru Tsuchikura, et al.

Background: Hydrogen (H2), a potent free radical scavenger, selectively reduces the hydroxyl radical, which is the most cytotoxic of the reactive oxygen species (ROS). An increase in oxygen free radicals induces oxidative stress, which is known to be involved in the development of metabolic syndrome. Therefore, we investigated whether hydrogen-rich water (HRW) affects metabolic abnormalities in th

Animal StudyIn Vitro

Anti-diabetes effect of water containing hydrogen molecule and Pt nanoparticles

MHID-5661317PMID: 223730562011BMC Proceedings

Sanetaka Shirahata, Takeki Hamasaki, Keisuke Haramaki, Takuro Nakamura, Masumi Abe, Hanxu Yan, et al.

Electrochemically reduced water (ERW) contains a lot of hydrogen molecule (H2) and scavenges reactive oxygen species (ROS) to protect DNA from oxidative damage [1]. ERW also contains small amounts of Pt nanoparticles (NPs) and elongates the lifespan of C. elegans [2]. Pt NPs are newly recognized multi-functional ROS scavengers [3]. ERW exhibits anti-diabetes effects in vitro and in vivo [4-6][7].

Animal StudyHighlighted

The Potential Cardioprotective Effects of Hydrogen in Irradiated Mice

MHID-2859819PMID: 211161022010Journal of Radiation Research

Liren Qian, Fei CAO, Jianguo Cui, Yicun Wang, Yuecheng Huang, Yunhai Chuai, et al.

Most ionizing radiation-induced damage is caused by hydroxyl radicals, and the selective reduction of hydroxyl by hydrogen in vitro has been demonstrated previously. Irradiation of the heart can cause chronic cardiac disease. This study was designed to test the hypothesis that hydrogen-rich water (pure water saturated with molecular hydrogen), which is easy to use, induces cardioprotection against

Clinical TrialObservational StudyHighlighted

Effectiveness of Hydrogen Rich Water on Antioxidant Status of Subjects with Potential Metabolic Syndrome—An Open Label Pilot Study

MHID-8766045PMID: 202169472010Journal of Clinical Biochemistry and Nutrition

Atsunori Nakao, Yoshiya Toyoda, Prachi Sharma, Malkanthi Evans, Najla Guthrie

Metabolic syndrome is characterized by cardiometabolic risk factors that include obesity, insulin resistance, hypertension and dyslipidemia. Oxidative stress is known to play a major role in the pathogenesis of metabolic syndrome. The objective of this study was to examine the effectiveness of hydrogen rich water (1.5–2 L/day) in an open label, 8-week study on 20 subjects with potential metabolic

Animal StudyHighlighted

Hydrogen in drinking water attenuates noise-induced hearing loss in guinea pigs

MHID-9017895PMID: 208883922010Neuroscience Letters

Ying Lin, Akinori Kashio, Takashi Sakamoto, Keigo Suzukawa, Akinobu Kakigi, Tatsuya Yamasoba

It has been shown that molecular hydrogen acts as a therapeutic and preventive antioxidant by selectively reducing the hydroxyl radical, the most cytotoxic of the reactive oxygen species. In the present study, we tested the hypothesis that acoustic damage in guinea pigs can be attenuated by the consumption of molecular hydrogen. Guinea pigs received normal water or hydrogen-rich water for 14 days

Literature Review

Hydrogen as a Selective Antioxidant: a Review of Clinical and Experimental Studies

MHID-2963789PMID: 212269922010The Journal of International Medical Research

Y Hong, S Chen, J-M Zhang

Oxidative stress is implicated in the pathogenesis of many diseases; however, currently used antioxidants have a high toxicity that constrains administration to a narrow window of therapeutic dosage. There is a clear need for more effective and safer antioxidants. Diatomic hydrogen (H2) was proposed as a novel antioxidant that selectively reduces levels of toxic reactive-oxygen species. Recently,

Animal StudyHighlighted

The Immunological Effects of Electrolyzed Reduced Water on the Echinostoma hortense Infection in C57BL/6 Mice

MHID-1488636PMID: 192522952009Biological & Pharmaceutical Bulletin

Kyu Jae LEE, Dan JIN, Byung Soo CHANG, Yung Chien TENG, Dong Heui KIM

Electrolyzed reduced water (ERW) is widely used for drinking by people in Asia. The purpose of this study was to examine the immunological effect of ERW on the immunity of animals by supplying ERW to C57BL/6 mice infected with Echinostoma hortense metacercariae. In the non-infected groups, interleukin (IL)-4 (p0.001), IL-5, IL-10, IL-1b, tumor necrosis factor (TNF)-a and immunoglobulin (Ig) A exp

Animal StudyHighlighted

Hydrogen in Drinking Water Reduces Dopaminergic Neuronal Loss in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine Mouse Model of Parkinson’s Disease

MHID-8852067PMID: 197896282009PLoS ONE

Kyota Fujita, Toshihiro Seike, Noriko Yutsudo, Mizuki Ohno, Hidetaka Yamada, Hiroo Yamaguchi, et al.

It has been shown that molecular hydrogen (H2) acts as a therapeutic antioxidant and suppresses brain injury by buffering the effects of oxidative stress. Chronic oxidative stress causes neurodegenerative diseases such as Parkinson’s disease (PD). Here, we show that drinking H2-containing water significantly reduced the loss of dopaminergic neurons in PD model mice using both acute and chronic adm