This Week in PNAS | GenomeWeb

This Week in PNAS

In early online publication this week, scientists used microfluidic cards to profile miRNA expression in kidney transplants. They profiled seven renal allograft biopsies against 365 miRNAs and performed control expression analysis on 26 other transplants, finding a strong association between intragraft expression of both miRNAs and mRNAs and that acute rejection "could be predicted with a high level of precision using intragraft levels of miRNAs," they write in the abstract.

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The Wall Street Journal reports that National Institutes of Health Director Francis Collins' response to contamination concerns at the agency might have delayed care.

The final revision of the Common Rule doesn't include the proposed change requiring consent for leftover biospecimens.

The first Reproducibility Project: Cancer Biology papers show mixed results.

In Nature this week: mobile phone-based targeted DNA sequencing, and more.