Summary
The medicine, called RK-251, turns on when it finds lots of tiny trouble‑making molecules inside cancer cells.
Tests on tiny fish showed the medicine can spot the bad cells without hurting the fish.
Key Points
4 points1
New drug named RK-251 is designed to become active only inside cancer cells.
2
It uses high levels of reactive oxygen molecules, which are common in cancer cells, to start working.
3
Early lab tests showed it killed cancer cells but did not harm normal cells.
4
The medicine is still being studied and not yet ready for people.
New Words to Learn
5 wordscancer
a disease where some cells grow out of control and can hurt the body
reactive oxygen molecules
tiny particles that can cause damage inside cells
preclinical
tests done in the lab before trying a medicine in people
embryos
very early stage of a developing animal, like tiny fish babies
fluorescence
a glow that shows something is happening inside a cell
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