The genetic changes cause the bodies of the insects to attack the Plasmodium parasite, blocking its development.

VOA: special.2010.04.20

Despite the relaxation being temporary, "the effects of the changes in terms of new development on neighbours and localities will be permanent", it added.

BBC: UK Politics

Researchers also hope that stem cell research will provide them with more information about human development and the causes of disease, and lead to changes in the development and testing of drugs.

CNN: NIH publishes draft guidelines for stem cell research

The researchers suggest this means the presence of GCC could be a sign of early molecular changes associated with the development of cancer.

BBC: 'Cancer sign' identified