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Animal StudyIn VitroHighlighted

Sequential hydrogen-release implant for promoting the soft tissue integration through immunomodulatory and pro-remodeling coupling

MHID-5401653PMID: 413343742026Bioactive Materials

Yue Yuan, Zishuo Hou, Miaomiao Chen, Jingwei Yu, Minghao Zhou, Jiaxin Kang, et al.

The weaker soft tissue integration around implants compared to natural teeth poses a substantial challenge to the long-term success of implants. To enhance soft tissue integration, we develop an on-demand and long-lasting H2-releasing implant to achieve precise sequential regulation of the soft tissue integration through immunomodulation and pro-remodeling coupling. In the inflammatory phase, the

Systematic ReviewHighlighted

Molecular hydrogen therapy in musculoskeletal conditions: An evidence-based review and critical analysis

MHID-43477742026World Journal of Orthopedics

Naveen Jeyaraman, Madhan Jeyaraman, Swaminathan Ramasubramanian, Shrideavi Murugan, Arulkumar Nallakumarasamy, Sathish Muthu

Molecular hydrogen (H2) demonstrates selective antioxidant and anti-inflam- matory properties with therapeutic potential across musculoskeletal conditions including osteoarthritis, rheumatoid arthritis, exercise-induced muscle damage, chronic pain syndromes, tendinopathies, and muscle atrophy. This review critically evaluates preclinical and clinical evidence for H2 therapy and identifies research

In VitroHighlighted

Clostridium beijerinckii displays a soluble [FeFe]-hydrogenase/formate dehydrogenase enzyme complex that links H2 and CO2 metabolism

MHID-0389345PMID: 415753722026Biochemical Journal

Sabrina Dezzani, Abdulrahman Alogaidi, Anca Pordea, Simone Morra

The production of biofuels by bacterial fermentation receives sustained attention due to the need to develop novel circular and sustainable technologies. Clostridium beijerinckii produces both hydrogen (H2) and carbon-based biofuels acetone, butanol and ethanol (ABE solvents). H2 metabolism in C. beijerinckii is complex and mostly unexplored. Seven hydrogenase genes are contained in the genome, bu

Animal StudyHighlighted

Hydrogen-rich water improves endurance by reducing skeletal muscle oxidative stress and inflammatory responses

MHID-8967574PMID: 416411602026Frontiers in Nutrition

Eika Mizuno, Tatsuhiro Sato, Kosuke Okada, Ikuru Miura, Junichi Shoda, Makoto Saito, et al.

Introduction: Hydrogen-rich water (HRW) has been reported to reduce oxidative stress, suppress exercise fatigue, and enhance recovery. However, the molecular mechanisms of its effects on exercise capacity, especially during the early stages of adaptation in physically inactive individuals, remain unclear. Methods: Male 8-week-old C57BL/6 J mice were provided with purified water or HRW for 1, 2, 4,

Observational StudyHighlighted

Association Between Hydrogen-Rich Water Consumption and Lower Extremity Function in Older Adults Participating in Community Salons: A Prospective Observational Study

MHID-67657942026medRxiv

Yuusuke Harada, Michiko Miyakawa

Background: Falls among older adults are a leading cause of fractures, loss of independence, and need for long-term care. Community salons in Japan promote social participation and health activities among older adults. Hydrogen-rich water is widely used as a health product, but evidence in community settings remains limited. Methods: We conducted a prospective observational study among 48 communit

Animal StudyHighlighted

Molecular hydrogen mitigates acetaminophen-induced liver injury and enhances the effects of N-acetylcysteine in diabetic mice

MHID-6449583PMID: 412075402026Journal of Nutritional Biochemistry

Naomi Kamimura, Katsuya Iuchi, Tsutomu Igarashi, Ikuroh Ohsawa, Chikako Nito, Jitsuo Usuda, et al.

Acetaminophen (APAP) overdose induces severe liver injury, especially in diabetic patients. N -acetylcysteine (NAC) is commonly used as an approved an- tidote for APAP toxicity; however, its narrow therapeutic window limits its clinical utility. This study investigated the protective effects of molecular hydro- gen (H2 ) against APAP-induced hepatotoxicity in diabetic mice. Diabetic db/db mice wer

Preventable in-body hydrogen explosions from high-concentration H2 inhalers in Japan-Switch to safe, low-concentration hydrogen therapy.

MHID-9101201PMID: 414893502026The International journal of risk & safety in medicine

Ichikawa Y, Sato B, Takefuji Y, Satoh F.

Background: With the growing recognition of the medical applications of hydrogen, hydrogen gas inhalers are increasingly used in clinics and other healthcare settings. However, hydrogen is highly explosive, and numerous explosion incidents involving these inhalers have been reported. Objectives: This study evaluates the safety risks of high-concentration hydrogen inhalers (67%-99.99% v/v H2) foll

Animal StudyIn VitroHighlighted

Mechanism by which hydrogen-rich water mitigates exercise-induced fatigue: activation of the immunoresponsive gene 1-itaconate/nuclear factor erythroid 2-related factor 2/heme oxygenase-1 pathway

MHID-1663779PMID: 405801852026Medical Gas Research

Yinyin Zhang, Yajing Ying, Xianpeng Zu, Lingling Ding, Xuan Shi, Jing Wang, et al.

Exercise-induced fatigue limits athletic performance. Molecular hydrogen is an effective treatment for relieving fatigue, but the exact mechanism is not clear. In our study, a mouse model of fatigue was established to explore the molecular mechanism by which hydrogen-rich water reduces exercise-induced fatigue. The results showed that hydrogen-rich water improved the motor function of fatigue mice

Animal StudyHighlighted

Effect of hydrogen‑enriched water on healing of excisional full‑layer skin wounds in diabetic and non‑diabetic rats

MHID-1198842PMID: 406436492025Naunyn-Schmiedeberg's Archives of Pharmacology

Muhammed Deniz, Yeliz Akkuş, Gülden Yıldız, Hatice Beşeren Havadar, Mustafa Makav

This study was carried out in an experimental study design with experimental and control groups to investigate the effect of hydrogen-enriched water (HRW) on healing in excisional full-layer skin wounds. The rats were divided into diabetic group (n = 20) and non-diabetic group (n = 18) (n = 38). Diabetic group was divided into three groups as diabetic wound (DC), diabetic wound saline (DS), and di

Influence of hydrogen-rich water on spermatogenesis and sperm parameters in experimentally induced hypothyroidism and subclinical hypothyroidism models.

MHID-7269962PMID: 414217682025Reproductive toxicology (Elmsford, N.Y.)

Saroughi M, Kharazmi K, Asghari SZ, Aminian A, Nazari SE, Eshtad E, et al.

Hypothyroidism, characterized by insufficient thyroid hormone production, disrupts metabolic processes and impairs reproductive function. It is suggested that oxidative stress plays a key role in mediating the deleterious effects of hypothyroidism on testicular function and because of the antioxidative and anti-inflammatory effects of hydrogen-rich water (HRW), this study aimed to evaluate the eff

Clinical TrialAnimal StudyHighlighted

Effect of hydrogen inhalation on functional characteristics and intestinal gas biomarkers in wrestlers during physical exercise

MHID-05612832025Sportivnaya meditsina: nauka i praktika (Sports medicine: research and practice)

Oleg S. Medvedev, Aleksey A. Uzhakov, Olga L. Konnova, Oxana V. Povarova

Purpose of the study: to investigate the effect of periodic hydrogen inhalations for one month on the main performance characteristics, lactate levels and other biochemical parameters determined in the blood of young wrestlers after physical activity. Materials and methods. 10 healthy volunteer athletes took part in a prospective clinical study. The analysis of hydrogen and methane levels in exha

Observational Study

The impact of graded exercise to exhaustion on breath hydrogen: a pilot study

MHID-31585802025Sport Sciences for Health

Nikola Todorovic, Jovan Kuzmanovic, Dejan Javorac, Sergej M Ostojic

Purpose Exercise induces transient physiological disruptions, including immune suppression and gastrointestinal (GI) disturbance. Molecular hydrogen (H₂), an endogenously produced gas with antioxidant and anti-inflammatory properties, may play a protective role in this context. While the therapeutic potential of exogenous H₂ has been widely explored, little is known about endogenous hydrogen respo

Clinical TrialHighlighted

Hydrogen-rich water supplementation exhibits dose- and age-dependent effects on delayed-onset muscle soreness in professional soccer players

MHID-96660182025Journal of Physical Education and Sport

Jakub Krejčí, Michal Botek, Shigeo Ohta, Klara Botkova, Andrew McKune

Problem Statement: Effective inter-match recovery plays a crucial role in preserving performance and preventing injuries in well-trained soccer players. In this context, molecular hydrogen has attracted increasing attention in sports science due to its selective antioxidative, anti-inflammatory, and cell-signaling properties that may facilitate recovery. Among the various administration methods, h

Literature ReviewHighlighted

Molecular hydrogen gas and its therapeutic potential in recent disease progression

MHID-6700629PMID: 382422812025Medical Gas Research

Md. Habibur Rahman, Cheol-Su Kim, Kyu-Jae Lee

The antioxidant and anti-inflammatory properties of molecular hydrogen (H2) have been explored for their possible health advantages. H2 is the smallest and most basic molecule, and it may easily pass through cell membranes to reach cellular compartments. Research on the health significance of H2 is still in its early stages, and although some studies have yielded encouraging results, further resea

Animal StudyIn VitroHighlighted

The augment effects of magnesium hydride on the lipid lowering effect of atorvastatin: an in vivo and in vitro investigation

MHID-9975059PMID: 394361892025Medical Gas Research

Wanqiu Chen, Yinyin Zhang, Gen Miao, Yajing Ying, Zifu Ren, Xuejun Sun, et al.

There is strong evidence connecting increased serum lipid levels to cardiovascular disorders, including atherosclerosis. Statins is prescribed as the primary medication to decrease lipid levels. Recent research has demonstrated that hydrogen possesses anti-inflammatory and antioxidant properties by modulating the expression of peroxisome proliferator-activated receptor gamma coactivator-1α, ultima

Observational StudyHighlighted

Hemodialysis employing molecular hydrogen (H2) enriched dialysis solution may improve dialysis related fatigue through impact on energy metabolism

MHID-2151796PMID: 399341432025Scientific Reports

Masaaki Nakayama, Kimio Watanabe, Emiko Sato, Yugo Ito, Nozomi Kadota, Kasumi Konishi, et al.

Hemodialysis employing molecular hydrogen (H2)-enriched dialysis solution rendered by water electrolysis (E-HD), has been reported to alleviate dialysis-related fatigue, but its association with metabolic profiles remains unclear. Eighty-one patients undergoing standard HD were classified into 3 groups [Group A (n = 25, 30.9%): fatigue with activity reduction—subgroups A1: chronic persistent fatig

Literature Review

Molecular hydrogen Mechanism against oxidative stress and application in periodontitis: A review

MHID-4621582PMID: 400680892025Medicine

Jiaxun Ying, Keran Zhang, Yangwen Huang, Xinyi Zhu, Yan Ruan, Haiyan Lin, et al.

Molecular hydrogen, as an effective anti-oxidative stress reagent, has been extensively studied in medicine with new developments continuing to be reported during the years. This review firstly discusses the mechanism of molecular hydrogen of alleviating oxidative stress. Considering the current antioxidant demand in clinical dental treatment, we summarize the progress and future potential of hydr

Opinion PieceOtherHighlighted

Effects of perioperative hydrogen inhalation on brain edema and prognosis in patients with glioma

MHID-96353272025Frontiers in Neurology

Liu Dong-mei, Yao Jian-qiang, Ma Yan-e

Wu et al. (1) conducted a pioneering randomized controlled trial (RCT) to evaluate perioperative hydrogen inhalation in glioma patients, demonstrating a statistically significant reduction in postoperative brain edema and improved short-term neurological outcomes. While these findings highlight hydrogen’s potential as an adjuvant therapy, critical analysis from statistical and clinical perspectives

Animal StudyHighlighted

Effects of Hydrogen-Rich Water on Growth, Redox Homeostasis and Hormonal, Histological and Immune Systems in Rats Exposed to High Cage Density Stress

MHID-8093676PMID: 401048812025Veterinary Medicine and Science

Buket Boğa Kuru, Mustafa Makav, Mushap Kuru, Şükran Yediel Aras, Ebru Karadağ Sarı, Menekşe Bulut, et al.

Objectives: This study investigated the impact of drinking hydrogen-rich water (HRW) on growth performance, organ weights, thiol/disulphide homeostasis, oxidative status and some hormonal, histopathological and immunohistochemical changes in rats fed in a restricted housing environment. Methods: The eight groups (each group [male/female] eight rats) comprised two control, two hydrogen, two stress

Clinical TrialObservational StudyHighlighted

Hydrogen and Methane Detection in Breath in Response to Two Different Types of Dietary Fiber and Its Relationship to Postprandial Glucose Concentration in Obese Patients with Type 2 Diabetes and Normoglycemic Subjects

MHID-1241888PMID: 400777852025Nutrients

Inna Misnikova, Yulia Kovaleva, Svetlana Shokur, Tyler W. LeBaron, Oxana Povarova, Oleg Medvedev

Background: The aim of this study was to investigate the relationship between postprandial glycemic levels based on flashmonitoring and the production of intestinal hydrogen (H2) and methane (CH4) gases based on the measurement of the amount of these gases in exhaled air. Materials and Methods: We studied 14 subjects with type 2 diabetes mellitus (T2DM) and 14 individuals without diabetes (control