Wasp Venom- Potent Against Cancer


The venom of a wasp native to Brazil could be used as a weapon to fight cancer, scientists believe.

A toxin in the sting of Wasp Venom- Potent Against Cancer,  killing cancer cells without harming normal cells, lab studies suggest.

The University of Brazil team say the experimental therapy latches to tumour cells and makes them leak vital molecules.

The work is at an early stage and more studies are needed to check the method will work safely in humans.

The Wasp; Polybia paulista is an aggressive social wasp endemic in south-east Brazil.

Though its sting is largely seen as unwelcome, scientists increasingly believe it could be put to good use.

It contains an important toxin called MP1 which the insect uses to attack prey or defend itself.

And recent studies in mice suggest it may target and destroy cancer cells.

Prof Joao Ruggiero Netto and colleagues set out to discover how, by putting it under the microscope.

They found MP1 interacts with fat molecules that are abnormally distributed on the surface of cancer cells, creating gaping holes that allow molecules crucial for cell function to leak out.

In healthy cells, the same molecules are hidden on the inside. This means healthy tissue should avoid MP1’s attack, the scientists say in Biophysical Journal.

Co-researcher Dr Paul Beales, from the University of Leeds, said cancer therapies that attacked the lipid composition of the cell membrane would be an entirely new class of anti-cancer drugs.

“This could be useful in developing new combination therapies, where multiple drugs are used simultaneously to treat a cancer by attacking different parts of the cancer cells at the same time,” he said.

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But while these findings are exciting, much more work is needed in the lab and in clinical trials before Health experts know if drugs based on this research could benefit cancer patients.


Additional content from the BBC

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