USF Team Finds Antarctic Toxins Kill Melanoma in Mice, Eyes Human Trials
Updated
Updated · The Guardian · Jun 29
USF Team Finds Antarctic Toxins Kill Melanoma in Mice, Eyes Human Trials
2 articles · Updated · The Guardian · Jun 29
Summary
USF researchers said toxins from Antarctic sea squirts killed melanoma cells in mice without killing the animals, marking a step beyond earlier lab-dish cancer tests.
Six weeks of Antarctic sampling helped the team better understand the bacteria living inside the ascidians and the ecological relationship that produces the toxin, knowledge they say could speed drug development.
130-foot dives in near-freezing waters gathered the material, but yields are tiny—about one-thousandth of the hundreds of milligrams to grams needed from a basketball-sized collection—making synthetic production essential.
Laboratory work is already underway with the Desert Research Institute and Scripps Institution of Oceanography, while larger mouse studies, other animal models and eventually human trials still depend on proving safety.
Can an Antarctic cancer drug bypass animal trials using new FDA rules?
If lab synthesis fails, is a cancer cure worth sacrificing Antarctica's ecosystem?
Who owns a potential cancer cure discovered in Antarctica's international waters?
Palmerolide A: Antarctic Bacterial Compound Shows Breakthrough Potential Against Melanoma
Overview
This report highlights the discovery of palmerolide A, a promising anti-cancer compound found during an Antarctic expedition led by Professor Bill Baker. Years of research into marine invertebrates and chemical ecology led Baker and his team to explore the unique biodiversity of Antarctica, where they isolated palmerolide A from a bacterium living in sea squirts. This breakthrough demonstrates how exploring extreme environments can yield new compounds with potential to treat diseases like cancer, building on Baker’s history of developing patented drugs for serious illnesses. The findings underscore the value of marine ecosystems in advancing medical innovation.