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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

Animal StudyEx VivoHighlighted

Degradation products of magnesium implant synergistically enhance bone regeneration: Unraveling the roles of hydrogen gas and alkaline environment

MHID-4421003PMID: 398164752025Bioactive Materials

Yuanming An, Haozhi Zhang, Shi’an Zhang, Yuantao Zhang, Lizhen Zheng, Xin Chen, et al.

Biodegradable magnesium (Mg) implant generally provides temporary fracture fixation and facilitates bone regeneration. However, the exact effects of generated Mg ions (Mg2+), hydrogen gas (H2), and hydroxide ions (OH-) by Mg degradation on enhancing fracture healing are not fully understood. Here we investigate the in vivo degradation of Mg intramedullary nail (Mg-IMN), revealing the generation of

Animal StudyIn VitroEx VivoHighlighted

Hydrogen activates ACOD1-itaconate pathway to ameliorate steroid-associated osteonecrosis

MHID-9370665PMID: 404119852025Biomaterials

Yuanming An, Lizhen Zheng, Shi’an Zhang, Haozhi Zhang, Yuantao Zhang, Hongwei Shao, et al.

Steroid-associated osteonecrosis (SAON) remains a challenging clinical condition as there are few effective preventive measures. This study investigates the effects of hydrogen (H2) administrated via saturated hydrogen-rich water (HRW) in mice received high dose of glucocorticoids (for inducing SAON model). Here we find that HRW treatment significantly reduces osteocyte apoptosis, improves deterio

In SilicoHighlighted

Molecular Hydrogen as an Antioxidant and Radioprotector: Mechanistic Insights from Monte Carlo Radiation-Chemical Simulations

MHID-6447318PMID: 410089612025Antioxidants

Sumaiya Akhter Ria, Jintana Meesungnoen, Jean-Paul Jay-Gerin

(1) Background: Water, comprising about 70–80% of cellular mass, is the most abundant constituent of living cells. Upon exposure to ionizing radiation, water undergoes radiolysis, generating a variety of reactive species, including free radicals and molecular products. Among these, hydroxyl radicals (•OH) are particularly damaging due to their very high reactivity and their capacity to induce oxid

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

Systematic ReviewHighlighted

A Systematic Review of Molecular Hydrogen Therapy in Cancer Management

MHID-3427886PMID: 373542432023Asian Pacific Journal of Cancer Prevention

Muhammad Nooraiman Zufayri Mohd Noor, Adlin Sofea Alauddin, Yin How Wong, Chung Yeng Looi, Eng Hwa Wong, Priya Madhavan, et al.

Background: Cancer remains a challenging target to cure, with present therapeutic methods unable to exhibit restorative outcomes without causing severe negative effects. Molecular hydrogen (H2) has been reported to be a promising adjunctive therapy for cancer treatment, having the capability to induce anti-proliferative, anti-oxidative, pro-apoptotic and anti-tumoural effects. This review summaris

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

In VitroHighlighted

Anti-Oxidative and Anti-Diabetic Effects of Electrolyzed Weakly Alkaline Reduced Water on Renal Proximal Tubular Epithelial Cells

MHID-02613512022Processes

Subham Sharma, Kyu-Jae Lee, Johny Bajgai, Thuy Thi Trinh, Jayson M. Antonio, Md. Habibur Rahman, et al.

Diabetes, a chronic metabolic disorder, affects glucose consumption in the body and leads to severe kidney damage, known as diabetic nephropathy, where oxidative stress (OS) plays a vital role in disease pathogenesis. Electrolyzed weakly alkaline reduced water (EWARW) is known to have anti-oxidative functions in vitro due to its bioactive properties. However, there is an increasing need for adequa

Animal StudyIn VitroHighlighted

Molecular Hydrogen Inhibits Colorectal Cancer Growth via the AKT/SCD1 Signaling Pathway

MHID-2681523PMID: 355281642022BioMed Research International

Xiangyan Zhang, Geru Tao, Ya’nan Zhao, Sijie Xing, Jie Jiang, Boyan Liu, et al.

Objective. Molecular hydrogen (H2) has been considered a potential therapeutic target in many cancers. Therefore, we sought to assess the potential effect of H2 on colorectal cancer (CRC) in this study. Methods. The effect of H2 on the proliferation and apoptosis of RKO, SW480, and HCT116 CRC cell lines was assayed by CCK-8, colony formation, and flow cytometry assays. The effect of H2 on tumor growt

In VitroHighlighted

Antioxidant Properties of Hydrogen Gas Attenuates Oxidative Stress in Airway Epithelial Cells

MHID-0634713PMID: 347707842021Molecules

In-Soo You, Subham Sharma, Ailyn Fadriquela, Johny Bajgai, Thuy Trinh Thi, Md. Habibur Rahman, et al.

Oxidative stress plays a crucial role in the development of airway diseases. Recently, hydrogen (H2) gas has been explored for its antioxidant properties. This study investigated the role of H2 gas in oxidative stress-induced alveolar and bronchial airway injury, where A549 and NCI-H292 cells were stimulated with hydrogen peroxide (H2O2) and lipopolysaccharide (LPS) in vitro. Results show that tim

In VitroOtherHighlighted

Hydrogen Evolution and Absorption Phenomena in the Plasma Membrane of Vigna radiata and Capsicum annuum

MHID-32438852021Journal of Plant Growth Regulation

Xin Zhang, Fei Xie, Zhao Zhang, Yao Mawulikplimi Adzavon, Zehua Su, Qinghui Zhao, et al.

Molecular hydrogen has been shown to exert beneficial effects on plant growth and abiotic stress tolerance, however, the exact mechanism has not yet been fully elucidated. H2 is able to diffuse directly across the plasma membrane, which is the first barrier between H2 and cells. It is possible that H2 may exert its biological effects on plant cells by interacting with PM. Hydrogenases can catalyze

In VitroHighlighted

Molecular hydrogen protects against oxidative stress‑induced RAW 264.7 macrophage cells through the activation of Nrf2 and inhibition of MAPK signaling pathway

MHID-35801392020Molecular & Cellular Toxicology

Rahima Begum, Cheol‑Su Kim, Ailyn Fadriquela, Johny Bajgai, Xingyu Jing, Dong‑Heui Kim, et al.

Background: Oxidative stress is involved in the development of many inflammatory, metabolic and aging diseases. Objective: In this study we investigated, the protective effects of H2 on RAW 264.7 macrophage cell against LPS-and H2O2-induced oxidative stress by the inhibition of MAPK pathway and also activate the Nrf2 pathway. Results: Our results showed H2 increased the macrophage cell prolifera

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 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

In VitroHighlighted

Therapeutic efficacy of hydrogen‑rich saline alone and in combination with PI3K inhibitor in non‑small cell lung cancer

MHID-1525156PMID: 299011392018Molecular Medicine Reports

YU JIANG, GANG LIU, LI ZHANG, SHENG CHENG, CHUN LUO, YANG LIAO, et al.

The aim of the present study was to investigate the effects of combination therapy of LY294002, a specific inhibitor of phosphatidylinositol 3‑kinase  (PI3K), with hydrogen‑rich saline on the proliferation and apoptosis of the non‑small cell lung cancer (NSCLC) A549 cell line and the mechanisms underpinning this. Excessive production of reactive oxygen species (ROS) may induce DNA mutations, DNA d

Ex VivoHighlighted

Molecular hydrogen potentiates beneficial anti-infarct effect of hypoxic postconditioning in isolated rat hearts: Novel cardioprotective intervention

MHID-8457494PMID: 283509672017Canadian Journal of Physiology and Pharmacology

Marek Zálešák, Branislav Kura, Ján Graban, Veronika Ledvényiová-Farkašová, Jan Slezak, Tatiana Ravingerova

Generation of free radicals through incomplete reduction of oxygen during ischemia/ reperfusion is well-described. On the other hand, molecular hydrogen (H2) reduces oxidative stress due to its ability to react with strong oxidants and easily penetrate cells by diffusion, without disturbing metabolic redox reactions. This study was designed to explore cardioprotective potential of hypoxic postcond