Wednesday 16 November 2016

New test for detecting prions in urine

A new test may detect the presence of abnormal proteins indicative of a deadly prion disease known as Creutzfeldt-Jakob Disease (CJD). By adapting an established blood test for variant CJD, researchers at the University College London say the new test accurately picks up on prions in urine, which could enable early detection and treatment.

Modifications to a blood test showed that it can be adapted to urine samples. The team tried the test in 162 people – a group that consisted of healthy controls, people with CJD, and people with other types of neurodegenerative diseases. They found the test to have 100 percent specificity (no false positives). The sensitivity to CJD was lower, at 40 percent. However, the team noted that this was a marked increase from a previous test in which the sensitivity to vCJD was at 7.7 percent.

For further details, see Laboratory Roots

Posted by Dr. Tim Sandle

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