New Hydrogen Therapy Materials Show Promise for Cancer Treatment
- Authors
- Zheng Jiang, Mailudan Ainiwaer, Jun Liu, Binwu Ying, Fengming Luo, Xuping Sun
- Journal
- Biomaterials Science
- Year
- 2024
- DOI
- 10.1039/d4bm00446a
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Cancer
- Body System
- Immune System
TL;DR
Scientists found that hydrogen gas can help fight diseases by reducing harmful molecules in your body, and they're developing new materials that can deliver hydrogen directly to sick cells and keep releasing it over time—which could be a game-changer for treating things like cancer.
Key Finding
Catalytic materials activated by light or sound (photocatalytic and sonocatalytic materials) represent a promising advancement for delivering hydrogen therapy more effectively to diseased tissues and maintaining its effects over time.
Summary
This review examines hydrogen therapy, which uses hydrogen to reduce harmful molecules called reactive oxygen species that contribute to inflammation and cell damage. Researchers have tested hydrogen therapy in lab and clinical studies, particularly for inflammatory diseases. The main challenge is getting enough hydrogen to reach diseased areas in the body. New materials—especially those activated by light or sound—show promise for delivering hydrogen more effectively and keeping it working longer at target sites.
Practical Takeaway
This is a review article summarizing the current state of hydrogen therapy research rather than a new study with results. While it suggests emerging materials may improve hydrogen delivery, this is based on preclinical work and theoretical potential. Anyone considering hydrogen therapy should note that most evidence remains in early-stage research, and the authors themselves emphasize that clinical translation still requires significant development in safety, targeting, and effectiveness.
Abstract
Hydrogen therapy, leveraging its selective attenuation of hydroxyl radicals (˙OH) and ONOO-, has emerged as a pivotal pathophysiological modulator with antioxidant, anti-inflammatory, and antiapoptotic attributes. Hydrogen therapy has been extensively studied both preclinically and clinically, especially in diseases with an inflammatory nature. Despite the substantial progress, challenges persist in achieving high hydrogen concentrations in target lesions, especially in cancer treatment. A notable breakthrough lies in water/acid reactive materials, offering enhanced hydrogen generation and sustained release potential. However, limitations include hydrogen termination upon material depletion and reduced bioavailability at targeted lesions. To overcome these challenges, catalytic materials like photocatalytic and sonocatalytic materials have surfaced as promising solutions. With enhanced permeability and retention effects, these materials exhibit targeted delivery and sustained stimuli-reactive hydrogen release. The future of hydrogen therapy hinges on continuous exploration and modification of catalytic materials. Researchers are urged to prioritize improved catalytic efficiency, enhanced lesion targeting effects, and heightened biosafety and biocompatibility in future development.