That is meant to prevent the transfer of aberrant proteins, called prions, which are believed to cause the disease.

Chronic wasting disease belongs to a family of disorders caused by aberrant proteins.

It is believed that aberrant proteins associated with the disease infected cows when they were fed meal containing parts of sheep with a similar illness.

Most cases of chronic myelogenous leukemia, a blood cancer, are caused by a particular chromosomal defect that leads to production of an aberrant protein.

In mice, anyway, the aberrant proteins that cause the condition seem to accumulate in muscle tissue, especially the hindquarters.

But, they said, it is alarming enough to warrant urgent testing of obviously infected livestock to see if their meat harbors the aberrant proteins, called prions.

Experts believe that the fatal disease it is caused by aberrant proteins called infectious prions, which leave the brain with spongelike holes.

All are believed to be caused by aberrant proteins called prions.

By losing their function, these components are no longer able to stabilize aberrant proteins, so that the latter accumulate and damage the cell.

The diseases are caused by aberrant proteins called prions, which leave the brain riddled with holes.