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RareCyte PD-L1 Assay

RareCyte has launched its PD-L1 liquid biopsy assay, which the firm said will allow users to evaluate PD-L1 expression on circulating tumor cells in a patient's bloodstream. Customers can use the PD-L1 assay and the AccuCyte-CyteFinder system to process blood to cells for CTC enumeration and PD-L1 biomarker expression analysis, or process blood to plasma for optional cell-free DNA analysis. 

The Scan

Missed Early Cases

A retrospective analysis of blood samples suggests early SARS-CoV-2 infections may have been missed in the US, the New York Times reports.

Limited Journal Editor Diversity

A survey finds low diversity among scientific and medical journal editors, according to The Scientist.

How Much of a Threat?

Science writes that need for a provision aimed at shoring up genomic data security within a new US bill is being questioned.

PNAS Papers on Historic Helicobacter Spread, Brain Development, C. difficile RNAs

In PNAS this week: Helicobacter genetic diversity gives insight into human migrations, gene expression patterns of brain development, and more.