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It's Highly Specific. It's Non-invasive. And It's Got to Be Cheaper, People

The release of a new genetic test in the UK highlights the promise and pitfalls of biomarker-based diagnostics. The test measures the expression of PCA3, a gene linked to prostate cancer, and relies on urine samples instead of blood, according to this report from BBC. The promise: The gene under scrutiny appears to be "a more specific indicator of cancer than PSA," the article says. And the pitfall: But the diagnostic will cost £200, making it "unlikely to be used routinely" with more potential for use in "high-risk patients."

 

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.