Light Awakens Dormant Cancer Cells | Health and Fitness News
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Light Awakens Dormant Cancer Cells | Health and Fitness News
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Scientists have cracked a major hurdle in cancer treatment by using light to wake up dormant cancer cells—making them vulnerable again. These “sleeping” cells evade therapy by slowing down, and stress hormones trigger this dormancy via specific receptors. The catch? Those receptors are also in healthy cells, so destroying them everywhere would be dangerous. Researchers at ETH Zurich engineered a light-activated molecular switch that tags tumor receptors for destruction—but only when exposed to specific light, sparing healthy cells. In lab tests, this system successfully reactivated dormant lung cancer cells. The next step? Delivering the switch into tumors and using targeted light to control it, with potential applications for breast and prostate cancers too. Still early, but this light-controlled approach could revolutionize how we tackle stubborn cancers.
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