This Week in Nature

Nature has a special insight section on regenerative medicine that explores "the promises and challenges of the next era of regenerative medicine — and how to use the information gained from the study of model organisms and cell culture to eventually heal ourselves." A series of articles looks at new disease models to study molecular pathways, studying self-renewal in

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The UK's Nuffield Council on Bioethics says genetically modifying human embryos could be morally permissible, according to the Guardian.

A new Nature Biotechnology paper reports that CRISPR-Cas9 gene editing can lead to large deletions or complex rearrangements that could be pathogenic.

The Wall Street Journal likens a prototype developed by Synthetic Genomics to a "biological fax machine."

In PNAS this week: strategy for reactivating Rett syndrome-linked MECP2, small molecules able to suppress Staphylococcus aureus virulence, and more.