Smart Biomaterials Deliver Hydrogen Therapy Directly to Disease Sites
- Authors
- Min Xu, Gege Wu, Qing You, Xiaoyuan Chen
- Journal
- Advanced Science
- Year
- 2024
- DOI
- 10.1002/advs.202401310
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Oxidative Stress Disorders
- Body System
- Immune System
TL;DR
Scientists found a way to use special materials to deliver hydrogen gas right where it's needed in your body to fight disease, which works better than just breathing in hydrogen gas because it builds up in higher amounts at the problem spots and helps reduce harmful molecules that cause inflammation and damage.
Key Finding
Biomaterial-based hydrogen delivery systems can concentrate hydrogen at disease sites and work through multiple mechanisms, including reducing harmful molecules called free radicals and decreasing inflammation-promoting substances.
Summary
This review article examines how scientists are developing special materials that can deliver hydrogen gas directly to damaged or diseased areas in the body. Unlike simply breathing in or injecting hydrogen gas (which spreads throughout the body), these smart biomaterials can release hydrogen slowly at the exact spot where it's needed, potentially making treatment more effective.
Practical Takeaway
This is a review of early-stage research, not a clinical study, so there is no human evidence yet. While the concept of targeted hydrogen delivery through biomaterials is theoretically promising, it remains largely in laboratory and animal testing phases. Anyone interested in hydrogen therapy should wait for actual human clinical trials before drawing conclusions about real-world effectiveness.
Abstract
Hydrogen (H2) therapy is an emerging, novel, and safe therapeutic modality that uses molecular hydrogen for effective treatment. However, the impact of H2 therapy is limited because hydrogen molecules predominantly depend on the systemic administration of H2 gas, which cannot accumulate at the lesion site with high concentration, thus leading to limited targeting and utilization. Biomaterials are developed to specifically deliver H2 and control its release. In this review, the development process, stimuli-responsive release strategies, and potential therapeutic mechanisms of biomaterial-based H2 therapy are summarized. H2 therapy. Specifically, the produced H2 from biomaterials not only can scavenge free radicals, such as reactive oxygen species (ROS) and lipid peroxidation (LPO), but also can inhibit the danger factors of initiating diseases, including pro-inflammatory cytokines, adenosine triphosphate (ATP), and heat shock protein (HSP). In addition, the released H2 can further act as signal molecules to regulate key pathways for disease treatment. The current opportunities and challenges of H2-based therapy are discussed, and the future research directions of biomaterial-based H2 therapy for clinical applications are emphasized.