Cancer

Study: Tardigrade Protein Shows Promise in Cancer Care

FEB 26 2025·Updated FEB 27 2025

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The Facts

Researchers from MIT, Brigham and Women's Hospital, and the University of Iowa published a study Tuesday on using Dsup, a protein found in tardigrades, to help cancer patients tolerate radiation therapy. Tardigrades are microscopic organisms that can survive radiation doses 2K-3K times higher than humans can.
ScienceAlert
MIT News
Approximately 60% of cancer patients in the US receive radiation therapy, but severe side effects often force patients to delay or stop treatment due to damage to healthy tissues surrounding tumors.
EurekAlert!
Bioengineer.org
Using lab-grown cells, the team delivered messenger RNA encoding the Dsup protein to tissues using specially designed polymer-lipid nanoparticles, temporarily producing the protective protein without permanently altering cellular DNA.
Tech Explorist
MIT News
In mouse studies, the treatment reduced radiation-induced DNA damage by 50% in targeted tissues, while maintaining the therapeutic effects on tumor cells, as the protection remained localized to injection sites.
Genetic Engineering & Biotechnology News
MIT News
The protective effect was demonstrated in both oral and rectal tissues, which are commonly affected during head-and-neck and gastrointestinal cancer treatments, offering potential relief from painful side effects that can include mouth sores and rectal bleeding.
Nature
Genetic Engineering & Biotechnology News
Researchers are now working to develop a modified version of the Dsup protein that won't trigger an immune response in humans, with potential applications extending to protection against chemotherapy damage and space radiation.
Genetic Engineering & Biotechnology News
EurekAlert!

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The Spin

Narrative A

The revolutionary approach offers a targeted, temporary solution to radiation damage without compromising cancer treatment effectiveness, potentially transforming radiation therapy by allowing higher doses to be used more safely while maintaining quality of life for patients.

The Pinnacle Gazette

nytimes

Narrative B

The temporary nature of mRNA treatment raises questions about long-term effectiveness and immune system responses, while the need for direct injection into affected tissues may limit practical application in clinical settings.