Scientific Articles

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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

Literature Review

Delivery of Molecular Hydrogen for Precision Immunomodulation: Mechanisms, Detection Methods, and Applications

MHID-1191317PMID: 406196052025Advanced Science

Gangfeng Li, Hannan Cui, Ruixiao Fan, Guming Liu, Zishuo Hou, Yibo Zhang, et al.

The delivery of molecular hydrogen (H2) is increasingly recognized for its potential in precision immunomodulation, primarily through multiple pathways such as antioxidant action, modulation of inflammatory factors, and inhibition of apoptosis. These effects contribute to a balanced and functional immune system, highlighting the therapeutic promise of H2 in various inflammatory conditions. However, t

Literature ReviewHighlighted

Exploring the Potential of Molecular Hydrogen in Different Heart Failure Models: A Review

MHID-2922681PMID: 413737252025International Journal of Molecular Sciences

Daria Kornieieva, Barbora Kalocayova, Jan Slezak, Branislav Kura

Heart failure (HF) is increasing in prevalence in many countries around the world. HF is a complex clinical syndrome characterized by the heart’s inability to pump blood effectively, resulting in significant morbidity and mortality. After an initial cardiac event (e.g., myocardial infarction, valve dysfunction, hypertension, etc.), adaptive mechanisms are activated to preserve cardiac function. Su

Literature ReviewHighlighted

Prospects of Hydrogen Medicine Based on Its Protective Effects on Mitochondrial Function

MHID-44233202024Molecular Hydrogen in Health and Disease, Advances in Biochemistry in Health and Disease

Shin-ichi Hirano, Yusuke Ichikawa, Bunpei Sato, Yoshiyasu Takefuji, Xiao-Kang Li, Fumitake Satoh

Mitochondria originated from aerobic bacteria in endosymbiosis. Through this symbiosis, eukaryotes acquired an efficient energy-producing system, but at the cost of exposure to oxidative stress from reactive oxygen species (ROS). Molecular hydrogen (H2) was recently identified as an antioxidant that selectively reduces ROS, such as hydroxyl radicals and peroxynitrite, which are strong oxidants, and

Literature ReviewHighlighted

Synergistic Antioxidant Effects of Molecular Hydrogen and Cold Atmospheric Plasma in Enhancing Mesenchymal Stem Cell Therapy

MHID-1339888PMID: 397659102024Antioxidants

Mikhail Yu. Artamonov, Felix A. Pyatakovich, Inessa A. Minenko

In regenerative medicine, mesenchymal stem cells (MSCs) have shown their importance and potential in tissue reconstruction and immune system modification. However, such cells’ potential is often diminished by factors such as oxidative stress, immune rejection, and inadequate engraftment. This review highlights the role of molecular hydrogen (H2) and cold atmospheric plasma (CAP) as adjunct therapi

Mechanisms ReviewHighlighted

Mesenchymal Stem Cell Priming: Potential Benefits of Administration of Molecular Hydrogen

MHID-3162417PMID: 386754292024Pharmaceuticals

Mikhail Yu. Artamonov, Tyler W. LeBaron, Felix A. Pyatakovich, Inessa A. Minenko

Stem cell therapy has emerged as a promising avenue for regenerative medicine, offering the potential to treat a wide range of debilitating diseases and injuries. Among the various types of stem cells, mesenchymal stem cells (MSCs) have garnered significant attention due to their unique properties and therapeutic potential. In recent years, researchers have been exploring novel approaches to enhan

In VitroHighlighted

Hydrogen gas improves proliferation and mitochondrial activity of human adipose-derived stem cells after cryopreservation

MHID-5509595PMID: 392466992024Regenerative Therapy

Koji Kimura, Yasuhiko Tabata

The objective of this study is to evaluate the effect of hydrogen gas on the biological functions of human adipose-derived stem cells (hADSC) in cryopreservation. hADSC were cryopreserved by a commercial cell preservation solution in the presence of hydrogen gas. After cryopreservation at 80 C, the viability, initial attachment morphology, and biological parameters of cells cryopreserved were eval

Clinical TrialIn VitroObservational StudyHighlighted

Alpha Hope, via Molecular Hydrogen and Pyrroloquinoline Quinone, Dose-Dependently Increases Nrf2 and PGC-1α Levels in C2C12 Myoblasts

MHID-30414712023Processes

Richard J. Bloomer, Yufeng Zhang, Joshua Y. Shirazi, Chidimma Okegbe, Jacquelyn Pence, Keith Martin, et al.

Alpha Hope is a dietary supplement containing pyrroloquinoline quinone and elemental magnesium, which produces molecular hydrogen (H2 gas) when dissolved in water. We determined the impact of Alpha Hope on Nrf-2, peroxisome proliferator-activated receptor-gamma coactivator (PGC-1α), and citrate synthase (CS) activity in C2C12 myoblasts. Alpha Hope was titrated to three concentrations of pyrroloqui

In VitroHighlighted

Anti-Hyperglycemic Effect of Magnesium-Enhanced Alkaline-Reduced Water on High Glucose-Induced Oxidative Stress in Renal Tubular Epithelial Cells

MHID-35766222022Processes

Subham Sharma, Johny Bajgai, Jayson M. Antonio, Ailyn Fadriquela, Thuy Thi Trinh, Md. Habibur Rahman, et al.

Diabetes is coupled with hyperglycemia, a state in which elevated glucose levels trigger oxidative stress (OS) in various body functions. One of the organs most afflicted by diabetes is the kidney. Despite this, specific treatments to mitigate the harmful effects of hyperglycemia-induced OS in the kidney have not been extensively explored. This study evaluates the anti-hyperglycemic efficacy of magne

Animal StudyHighlighted

Long‑term and daily use of molecular hydrogen induces reprogramming of liver metabolism in rats by modulating NADP/NADPH redox pathways

MHID-2655528PMID: 352732492022Scientific Reports

Yao Mawulikplimi Adzavon, Fei Xie, Yang Yi, Xue Jiang, Xiaokang Zhang, Jin He, et al.

Molecular hydrogen (H2) has emerged as a new therapeutic option in several diseases and is widely adopted by healthy people. However, molecular data to support therapeutic functions attributed to the biological activities of H2 remain elusive. Here, using transcriptomic and metabolomic approaches coupled with biochemistry and micro-CT technics, we evaluated the effect of long-term (6 months) and d

Animal StudyIn VitroHighlighted

Local Treatment of Hydrogen-Rich Saline Promotes Wound Healing In Vivo by Inhibiting Oxidative Stress via Nrf-2/HO-1 Pathway

MHID-5758484PMID: 353001732022Oxidative Medicine and Cellular Longevity

Yujie Li, Chengcheng Shen, Xin Zhou, Jianghe Zhang, Xiaoyue Lai, Yiming Zhang

Wound healing is a complex dynamic process involving a large number of biological events. Excessive oxidative stress is a key factor delaying wound healing. Hydrogen is an antioxidant, anti-inflammatory, and antiapoptotic medical gas with safety, effectiveness, and penetrability. However, the effects of local treatment of hydrogen on wound healing and its potential mechanisms remain unclear. In this

In VitroEx VivoHighlighted

Hydrogen evolution and absorption phenomena in plasma membrane of higher plants

MHID-98806872020bioRxiv

Xin Zhang, Zhao Zhang, Zehua Su, Qinghui Zhao, Tyler W. LeBaron, Qinjian Li, et al.

Molecular hydrogen (H2) exhibits a wide breadth of botanical effects especially in improving the resistance to abiotic stress. However, the primary target is not clear. Bidirectional hydrogenases have been well studied in microbes and alga, but there is a paucity of research in higher plants. Here, we used real-time spectrophotometry, gas chromatography and H2 sensor to detect the H2-evolving and

In VitroHighlighted

Molecular Hydrogen Protects Human Melanocytes from Oxidative Stress by Activating Nrf2 Signaling

MHID-7135279PMID: 345586532020Journal of Investigative Dermatology

Wei Fang, Luyan Tang, Guizhen Wang, Jinran Lin, Wanqing Liao, Weihua Pan, et al.

Oxidative stress is proven to be critical for the initiation and progression of vitiligo. Molecular hydrogen (H2) possesses potent antioxidant activity and has been shown to protect against various oxidative stresserelated diseases. In this study, we first investigated the effects and mechanisms of H2 in human melanocytes damaged by hydrogen peroxide. We initially found that H2 reduced intracellula

In VitroHighlighted

Hydrogen gas protects IP3Rs by reducing disulfide bridges in human keratinocytes under oxidative stress

MHID-1014265PMID: 286201982017Scientific Reports

Ching-Ying Wu, Wen-Li Hsu, Ming-Hsien Tsai, Jui-Lin Liang, Jian-He Lu, Chia-Jung Yen, et al.

Based on the oxidative stress theory, aging derives from the accumulation of oxidized proteins induced by reactive oxygen species (ROS) in the cytoplasm. Hydrogen peroxide (H2O2) elicits ROS that induces skin aging through oxidation of proteins, forming disulfide bridges with cysteine or methionine sulfhydryl groups. Decreased Ca2+ signaling is observed in aged cells, probably secondary to the for

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.

Animal StudyIn VitroHighlighted

Radioprotective effect of hydrogen in cultured cells and mice

MHID-1312487PMID: 332312662010Free Radical Research

Liren Qian, Fei CAO, Jianguo Cui, Yuecheng Huang, Xiaojian Zhou, Shulin Liu, et al.

It has been demonstrated that hydrogen can selectively reduce hydroxyl and peroxynitrite in vitro. Since most of the ionizing radiation-induced cellular damage is caused by hydroxyl radicals, this study was designed to test the hypoth- esis that hydrogen may be an effective radioprotective agent. This paper demonstrates that treating cells with hydrogen before irradiation could signifi cantly inhib