A chance discovery at Nagoya University in Japan has shown that a well-known brain enzyme has a hidden ability: It builds a sugar chain on itself, becomes secreted from the cell and deactivates, then switches on outside the cell once the chain is removed. The finding, published in the Journal of...

Source: [Phys.org](https://phys.org/news/2026-06-brain-enzyme-caught-unexpected-polysialic.html)

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