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In this week's Science, a team of researchers from industry and academia report on how the deletion of a single microRNA from pluripotent stem cells enabled them to form both embryonic and non-embryonic lineages, revealing a role for the small, non-coding RNAs in regulating pluripotency. Specifically, when miR-34a was eliminated from embryonic stem cells, these engineered cells were able to generate both embryonic and extra-embryonic lineages.

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The Wall Street Journal looks into FamilyTreeDNA's handling of genetic genealogy searches by law enforcement.

In a point-counterpoint in the Boston Globe, researchers discuss the potential of gene editing to prevent Lyme disease, but also the pitfalls of doing so.

MIT's Technology Review reports that researchers hope to develop a CRISPR-based pain therapy.

In Science this week: atlas of malaria parasites' gene expression across their life cycles, and more.