USF Scientists Find Antarctic Sea Squirt Compound That Kills Melanoma Cells, Sparing 57,000-Death Cancer
Updated
Updated · The Indian Express · Jun 27
USF Scientists Find Antarctic Sea Squirt Compound That Kills Melanoma Cells, Sparing 57,000-Death Cancer
2 articles · Updated · The Indian Express · Jun 27
Summary
University of South Florida researchers said bacteria in an Antarctic sea squirt produce a toxic compound that kills melanoma cells while leaving healthy human cells unharmed.
That selectivity addresses a central drug-development challenge—destroying cancer without damaging normal tissue—and could offer a lead against the deadliest form of skin cancer.
Six weeks of dives beneath Antarctic sea ice to about 80 feet yielded the specimens, with the team working through freezing water, poor visibility, shifting conditions and leopard seal encounters.
Laboratory work is now tracing the sea squirt’s DNA, chemistry and biology to learn how the bacteria make the compound, but researchers said further testing and development will take years.
Melanoma causes about 57,000 deaths a year worldwide, and scientists warn the toll could reach roughly 96,000 by 2040 without more effective treatments.
A promising melanoma drug is locked inside an Antarctic sea squirt. Can we synthesize it before the source is exhausted?
How does a simple sea squirt produce a compound so intelligent it distinguishes cancer cells from healthy ones?
Palmerolide A’s Journey from Antarctic Sea Squirt to Anti-Melanoma Drug Candidate: Mechanism, Production Hurdles, and Future Prospects (2026)
Overview
Palmerolide A is a promising natural product discovered in the Antarctic sea squirt Synoicum adareanum, which lives on the icy sea floor. Its origin highlights the unique biodiversity found in extreme environments, where organisms like ascidians form symbiotic relationships with microbes to produce chemical defense agents. Some of these agents, such as Palmerolide A, show strong potential for medicinal use. The compound’s complex polycyclic structure is key to its potent biological activity, making it a compelling candidate for drug development, especially in the fight against diseases like melanoma.