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Marking Mad Cow

Researchers led by Lee Hood have found proteins that seem to signal the onslaught of mad cow disease, reports Technology Review. The scientists took a global approach: they infected mice with prions and followed the resulting gene expression changes in the mice brains, resulting in 30 million data points. They narrowed the implicated genes down to 300, noting that the proteins can be seen in the mouse bloodstream about eight to 10 weeks before the onset of symptoms. Tech Review adds that Hood and his colleagues hope to commercialize a test for the human and bovine forms of the disease based on these biomarkers.

The Scan

Fertility Fraud Found

Consumer genetic testing has uncovered cases of fertility fraud that are leading to lawsuits, according to USA Today.

Ties Between Vigorous Exercise, ALS in Genetically At-Risk People

Regular strenuous exercise could contribute to motor neuron disease development among those already at genetic risk, Sky News reports.

Test Warning

The Guardian writes that the US regulators have warned against using a rapid COVID-19 test that is a key part of mass testing in the UK.

Science Papers Examine Feedback Mechanism Affecting Xist, Continuous Health Monitoring for Precision Medicine

In Science this week: analysis of cis confinement of the X-inactive specific transcript, and more.