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Observational StudyHighlighted

Case Report: Buccal administration of hydrogen-producing blend after a mild traumatic brain injury in a professional athlete [version 1; peer review: 2 approved]

MHID-9389875PMID: 325959372019F1000Research

Dejan Javorac, Valdemar Stajer, Sergej M Ostojic

Sport-related mild traumatic brain injury (TBI) is a serious Background: trauma that could impair brain function of an injured athlete. Treatment solutions for mild TBI typically concentrate on complete rest, while non-traditional therapeutic options remain largely ineffective. Molecular hydrogen (H ) is an innovative neuroprotective agent that can easily reach the brain, yet no data are available

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

Can the Most Abundant Element in the Universe Help to Tackle Diabetes?

MHID-1362685PMID: 316397972019Annals of nutrition & metabolism

Ostojic SM.

Hydrogen is the simplest, the oldest, and the most abundant element in the Universe; it was originally created about 3 min after the Big Bang, with all the other chemical elements that we know were made up of hydrogen. Being here for such a long time, hydrogen lately appears to find its place in experimental medicine, emerging as an exciting innovative agent that might tackle diabetes and diabetes

Animal StudyHighlighted

Perioperatively Inhaled Hydrogen Gas Diminishes Neurologic Injury Following Experimental Circulatory Arrest in Swine

MHID-8554516PMID: 310619202019JACC: Basic to Translational Science

Alexis R. Cole, BS, Dorothy A. Perry, MBCHB, Ali Raza, MD, Arthur P. Nedder, DVM, Elizabeth Pollack, DVM CANDIDATE, William L. Regan, CCP, LP, et al.

This study used a swine model of mildly hypothermic prolonged circulatory arrest and found that the addition of 2.4% inhaled hydrogen gas to inspiratory gases during and after the ischemic insult significantly decreased neurologic and renal injury compared with controls. With proper precautions, inhalational hydrogen may be administered safely through conventional ventilators and may represent a co

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

Literature Review

Circulating messenger for neuroprotection induced by molecular hydrogen

MHID-8766047PMID: 311002032019Canadian Journal of Physiology and Pharmacology

Mami Noda, Yuya Uemura, Yusuke Yoshii, Taichi Horita, Shota Takemi, Ichiro Sakata, et al.

Molecular hydrogen (H2) showed protection against various kinds of oxidative stress- related diseases. First it was reported that the mechanism of therapeutic effects of H2 was anti-oxidative effect due to inhibition of most cytotoxic reactive oxygen species (ROS), hydroxy radical (•OH). However, after chronic administration of H2 in drinking water, oxidative stress-induced nerve injury is signifi

Intake of Molecular Hydrogen in Drinking Water Increases Membrane Transporters, p-Glycoprotein, and Multidrug Resistance-Associated Protein 2 without Affecting Xenobiotic-Metabolizing Enzymes in Rat Liver

MHID-5196647PMID: 313309362019Molecules

Hsien-Tsung Yao, Yu-Hsuan Yang, Mei-Ling Li

Molecularhydrogen (H2)has beenshown tohave antioxidantand anti-inflammatoryactivities that may reduce the development and progression of many diseases. In this study, hydrogen-rich water (HRW) was obtained by reacting hybrid magnesium–carbon hydrogen storage materials with water. Then, the effects of intake of HRW on the activities of xenobiotic-metabolizing enzymes, membrane transporters, and oxi

Animal Study

Positive effect of an electrolyzed reduced water on gut permeability, fecal microbiota and liver in an animal model of Parkinson’s disease

MHID-4869388PMID: 316002562019PLoS ONE

Laura Bordoni, Rosita Gabbianelli, Donatella Fedeli, Dennis Fiorini, Ina Bergheim, Cheng Jun Jin, et al.

There is growing awareness within the scientific community of the strong connection between the inflammation in the intestine and the pathogenesis of Parkinson’s disease (PD). In previous studies we developed a PD animal model exposing pup rats to permethrin (PERM) pesticide. Here, we intended to explore whether in our animal model there were changes in gut permeability, fecal microbiota and hepat

Observational Study

“Real world survey” of hydrogen-controlled cancer: a follow-up report of 82 advanced cancer patients

MHID-0991273PMID: 315528732019Medical Gas Research

Ji-Bing Chen, Xiao-Feng Kong, You-Yong Lv, Shu-Cun Qin, Xue-Jun Sun, Feng Mu, et al.

Advanced cancer treatment is a huge challenge and new ideas and strategies are required. Hydrogen exerts antioxidant and anti-inflammatory effects that may be exploited to control cancer, the occurrence and progression of which is closely related to peroxidation and inflammation. We conducted a prospective follow-up study of 82 patients with stage III and IV cancer treated with hydrogen inhalation

Hydrogen-rich water improves cognitive impairment gender-dependently in APP/PS1 mice without affecting Aβ clearance.

MHID-7343395PMID: 296833602018Free radical research

Hou C, Peng Y, Qin C, Fan F, Liu J, Long J.

Alzheimer's disease (AD) is characterised as a provoked inflammatory response and oxidative stress along with amyloid β peptide (Aβ) deposition and neurofibrillary tangles in the brain, and effective treatment is greatly needed. Molecular hydrogen, which has been proposed to be an antioxidant that selectively reduces reactive oxygen species, was found to exert beneficial effects in Aβ injection-in

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

Hydrogen-Rich Saline Regulates Intestinal Barrier Dysfunction, Dysbiosis, and Bacterial Translocation in a Murine Model of Sepsis

MHID-4878784PMID: 292931742018Shock

Mitsunori Ikeda, Kentaro Shimizu, Hiroshi Ogura, Takashi Kurakawa, Eiji Umemoto, Daisuke Motooka, et al.

Bacterial translocation is a major cause of multiple organ dysfunction syndrome in critical illness, and its management is an important therapeutic strategy. In this study, we focused on the key factors responsible for bacterial translocation including the intestinal microbiome and investigated the impact of molecular hydrogen therapy as a countermeasure against bacterial translocation in a murine

Animal StudyIn VitroHighlighted

Effects of alkaline-electrolyzed and hydrogen-rich water, in a high-fat-diet nonalcoholic fatty liver disease mouse model

MHID-6163351PMID: 305683872018World Journal of Gastroenterology

Karen Jackson, Noa Dressler, Rotem S Ben-Shushan, Ari Meerson, Tyler W. LeBaron, Snait Tamir

AIM To identify the effect of hydrogen-rich water (HRW) and electrolyzed-alkaline water (EAW) on high-fat-induced non-alcoholic fatty acid disease in mice. METHODS Mice were divided into four groups: (1) Regular diet (RD)/regular water (RW); (2) high-fat diet (HFD)/RW; (3) RD/EAW; and (4) HFD/EAW. Weight and body composition were measured. After twelve weeks, animals were sacrificed, and livers w

Observational Study

Novel haemodialysis (HD) treatment employing molecular hydrogen (H2)-enriched dialysis solution improves prognosis of chronic dialysis patients: A prospective observational study

MHID-8360107PMID: 293215092018Scientific Reports

Masaaki Nakayama, Noritomo Itami, Hodaka Suzuki, Hiromi Hamada, Ryo Yamamoto, Kazumasa Tsunoda, et al.

Recent studies have revealed unique biological characteristics of molecular hydrogen (H2) as an anti-inflammatory agent. We developed a novel haemodialysis (E-HD) system delivering an H2 (30–80 ppb)-enriched dialysis solution by water electrolysis, and conducted a non-randomized, non-blinded, prospective observational study exploring its clinical impact. Prevalent chronic HD patients were allocate

Clinical Trial

Molecular hydrogen affects body composition, metabolic profiles, and mitochondrial function in middle-aged overweight women

MHID-9868845PMID: 285605192018Irish Journal of Medical Science

D. Korovljev, T. Trivic, P. Drid, S. M. Ostojic

Background: Molecular hydrogen (H2) effectively treats obesity-related disorders in animal models, yet no studies have investigated the effectiveness and safety of H2 for improving biomarkers of obesity in humans. Aim: In this double blind, placebo-controlled, crossover pilot trial, we evaluated the effects of H2 intervention on body composition, hormonal status, and mitochondrial function in ten

In VitroIn SilicoHighlighted

Quantification of hydrogen production by intestinal bacteria that are specifically dysregulated in Parkinson’s disease

MHID-67149392018PLoS ONE

Anzu Suzuki, Mikako Ito, Tomonori Hamaguchi, Hiroshi Mori, Yuka Takeda, Ryuko Baba, et al.

Oral administration of hydrogen water ameliorates Parkinson’s disease (PD) in rats, mice, and humans. We previously reported that the number of putative hydrogen-producing bacte- ria in intestinal microbiota is low in PD compared to controls. We also reported that the amount of hydrogen produced by ingestion of lactulose is low in PD patients. The decreased hydrogen production by intestinal microb

Animal StudyIn VitroHighlighted

Therapeutic potential of molecular hydrogen in ovarian cancer

MHID-18249022018Translational Cancer Research

Lei Shang, Fei Xie, Jiala Li, Yating Zhang, Mengyu Liu, Pengxiang Zhao, et al.

Background: To investigate the potential effects of molecular hydrogen on ovarian cancer. Methods: The in vivo study was performed using Hs38.T xenografted BALB/c nude mice. The mean tumor volume was monitored during 6 weeks of hydrogen inhalation. Immunohistochemistry (IHC) staining was performed to determine the Ki67 and CD34 expression. The in vitro effects of molecular hydrogen on proliferati

Clinical Trial

Inhalation of hydrogen gas elevates urinary 8-hydroxy-2′-deoxyguanine in Parkinson’s disease

MHID-0476956PMID: 307136662018Medical Gas Research

Masaaki Hirayama, Mikako Ito, Tomomi Minato, Asako Yoritaka, Tyler W. LeBaron, Kinji Ohno

Hyposmia is one of the earliest and the most common symptoms in Parkinson’s disease (PD). The benefits of hydrogen water on motor deficits have been reported in animal PD models and PD patients, but the effects of hydrogen gas on PD patients have not been studied. We evaluated the effect of inhalation of hydrogen gas on olfactory function, non-motor symptoms, activities of daily living, and urinar

Animal StudyIn SilicoHighlighted

Molecular hydrogen upregulates heat shock response and collagen biosynthesis, and downregulates cell cycles - Meta-analyses of gene expression profiles -

MHID-9900832PMID: 294242532018

Hiroshi Nishiwaki, Mikako Ito, Shuto Negishi, Sayaka Sobue, Masatoshi Ichihara, Kinji Ohno

Background: Molecular hydrogen exerts its effect on multiple pathologies, including oxidative stress, inflammation, and apoptosis. However, its molecular mechanisms have not been fully elucidated. In order to explore the effects of molecular hydrogen, we meta-analyzed gene expression profiles modulated by molecular hydrogen. Methods: We performed microarray analysis of the mouse liver with or wit