Deadly ‘Pharaoh's Curse' Fungus may hold key to beating cancer
When Tutankhamun's tomb was cracked open in 1922, the world was mesmerized and somewhat terrified. Tales of the 'Pharaoh's Curse' swiftly followed: mysterious illnesses, sudden deaths, and a malevolent ancient hex.
But modern science has unearthed a far more compelling explanation: a deadly fungus lurking in those sealed chambers, not dark magic.
The lurking menace:
Fungi like Aspergillus flavus, which thrive in hermetically sealed, humid environments, were dormant in King Tut's tomb for centuries. Once the tomb was opened, spores could disperse into the air, triggering respiratory infections, particularly in vulnerable individuals. Indeed, researchers hypothesize that Lord Carnarvon's pneumonia and death may have been tied to invasive aspergillosis acquired shortly after exposure to these ancient molds.
But what began as a harrowing cautionary tale has now become a beacon of hope. That very fungal kingdom, once an incidental actor in macabre legends, is now a treasure trove for anticancer compounds.
How?
A team of researchers at the University of Pennsylvania has discovered that the same notorious fungus, Aspergillus flavus (the "pharaoh's curse fungus"), may hold the key to fighting cancer.
What does the new discovery say?
Despite its dark history, the recent research, published recently in the journal
Nature Chemical Biology
, reveals that the fungus, Aspergillus flavus, contains a special compound capable of targeting cancer cells – a promising breakthrough in the realm of cancer treatment!
The research team isolated a new group of molecules from this fascinating fungus and, after modifying them, tested their effects on leukaemia cells.
To their surprise, they found some remarkable results. By exploring various strains of Aspergillus flavus, they uncovered that some might contain even more of these powerful compounds.
They managed to purify four different peptides, known as ribosomally synthesized and post-translationally modified peptides (RiPPs), which they named asperigimycins. These compounds demonstrated impressive potential against leukaemia cells, even without any modifications. It turns out that asperigimycins work by disrupting the way cancer cells divide – an exciting mechanism that could lead to new treatments!
As per Sherry Gao, a key researcher and Associate Professor in Chemical and Biomolecular Engineering, "Fungi gave us penicillin, and these results show that there are still many more medicines to discover from nature."
Dr. Gao added that these compounds block the formation of microtubules, which are crucial for cell division, thus halting the uncontrolled growth of cancer cells.
From mythological curse to medicinal cure
The journey of the Pharaoh's Curse fungus – from deathly spores haunting tombs to life-saving cancer therapies – is nothing short of extraordinary. What began as superstitious fear has, through the lens of science, come full circle to become a source of healing.
The narrative arc – from the 'Pharaoh's Curse' mythos to molecular oncology – highlights humanity's evolving relationship with the natural world. It reminds us that nature's mysteries, even the ominous ones, can inspire medical miracles.
Fungi that once triggered fear are now seen as a pharmacopeia waiting to be unlocked.
As phase II clinical trials for fungal‑derived drugs like NUC‑7738 advance, the science and medical community stand on the brink of novel, eco-friendly cancer therapies. These efforts honor ancient lore while forging a hopeful, evidence-based future. After all, who knew a fungus with such a fierce reputation could also be a beacon of hope in the fight against cancer!
Cancer immunotherapy may also treat certain autoimmune diseases, claims study
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