Curse of the Pharaohs paves way for fight against cancer
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Sydney Morning Herald
20-07-2025
- Sydney Morning Herald
Toxic fungi behind the ‘Pharaoh's curse' can kill cancer cells
British nobleman Lord Carnarvon was one of the first people to step into the rediscovered tomb of King Tutankhamun and behold its treasures: gold chariots, scarab pendants, a statue of Anubis and the pharaoh's famed death mask with eyes of obsidian and quartz. Carnarvon's untimely death, five months later in April 1923, helped spawn the myth of the pharaoh's curse – that anyone who disturbs a mummy's tomb is doomed to misfortune. Some scientists suspect the real killer, however, was infection by a toxic fungus that lay dormant in the tomb like a booby trap: Aspergillus flavus. Now the fungus is again at the centre of intrigue after researchers in the US crafted the deadly spores into a compound that can kill cancer cells. In the search for new drugs, scientists have been studying a group of natural molecules called RiPPs (ribosomally synthesised and post-translationally modified peptides). Many of these tiny proteins have proved toxic to infectious microbes and cancer cells, which is why researchers are on the hunt for new types of RiPPs to test their medical potential. 'We often think of fungi as causing disease or food spoilage, but this is an example of them holding the key to treating diseases.' Dr Justin Beardsley, University of Sydney Thousands of these molecules have been found in bacteria but only a few from fungi, which is why researchers from the University of Pennsylvania went looking in Aspergillus. They found new types of RiPPs with a structure of interlocking rings and tested them against human leukemia cells. Some of the molecules blocked the growth of the cancerous cells. Scientists then added a fat molecule present in the royal jelly that bees feed their larvae. The fat molecule or 'lipid' helped the cancer-busting RiPPs to infiltrate leukemia cells, and together the experimental combination performed as effectively as two existing leukemia drugs.
The Age
20-07-2025
- The Age
Toxic fungi behind the ‘Pharaoh's curse' can kill cancer cells
British nobleman Lord Carnarvon was one of the first people to step into the rediscovered tomb of King Tutankhamun and behold its treasures: gold chariots, scarab pendants, a statue of Anubis and the pharaoh's famed death mask with eyes of obsidian and quartz. Carnarvon's untimely death, five months later in April 1923, helped spawn the myth of the pharaoh's curse – that anyone who disturbs a mummy's tomb is doomed to misfortune. Some scientists suspect the real killer, however, was infection by a toxic fungus that lay dormant in the tomb like a booby trap: Aspergillus flavus. Now the fungus is again at the centre of intrigue after researchers in the US crafted the deadly spores into a compound that can kill cancer cells. In the search for new drugs, scientists have been studying a group of natural molecules called RiPPs (ribosomally synthesised and post-translationally modified peptides). Many of these tiny proteins have proved toxic to infectious microbes and cancer cells, which is why researchers are on the hunt for new types of RiPPs to test their medical potential. 'We often think of fungi as causing disease or food spoilage, but this is an example of them holding the key to treating diseases.' Dr Justin Beardsley, University of Sydney Thousands of these molecules have been found in bacteria but only a few from fungi, which is why researchers from the University of Pennsylvania went looking in Aspergillus. They found new types of RiPPs with a structure of interlocking rings and tested them against human leukemia cells. Some of the molecules blocked the growth of the cancerous cells. Scientists then added a fat molecule present in the royal jelly that bees feed their larvae. The fat molecule or 'lipid' helped the cancer-busting RiPPs to infiltrate leukemia cells, and together the experimental combination performed as effectively as two existing leukemia drugs.
Deccan Herald
02-07-2025
- Deccan Herald
Curse of the Pharaohs paves way for fight against cancer
For decades, these mysterious deaths were attributed to supernatural forces. But modern science has revealed a more likely culprit: a toxic fungus known as Aspergillus flavus. Now, in an unexpected twist, this same organism is being transformed into a powerful new weapon in the fight against cancer.
