During the study, experts were able to create a newly-modified alginate material to encapsulate human pancreatic islet cells - a way of making the body adopt them.
The modified alginate, a material originally derived from brown algae, was used to prevent the body triggering an immune response which can lead to the build-up of scar tissue and the cells ultimately being rendered useless.
Scientists created a library of almost 800 alginate derivatives and evaluated the immune response to each of them.
This led them to focus on one called triazole-thiomorpholine dioxide (TMTD), which had a minimal immune response in mice and large animals.
The researchers then implanted human islet cells encapsulated in TMTD in mice, which provided the success for the study.
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