Prognostic tests such as Genomic Health's Oncotype Dx and Agendia's MammaPrint should be constructed using many more patient samples if they are to reach expected levels of reproducibility and test-to-test comparability, according to a recent study.

Moreover, one of the study authors said he believes regulatory bodies should develop requirements for the size of patient-sample populations for prognostic tests based on gene expression.

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Even when given the option, not too many authors choose double-blinded peer-review for their manuscripts, ScienceInsider reports.

The Save the Redwoods League is teaming with researchers to sequence the genomes of the coast redwood and giant sequoia.

In PNAS this week: transcriptional read-through in stressed cells, genome stability role for the epigenetic regulator CTCF, and more.

Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.