NEW YORK (GenomeWeb) – While characterizing a small X chromosome duplication implicated in gigantism, a National Institutes of Health-led team identified a recurrent gene mutation that appears to cause acromegaly — a related, rare condition in adults that involves excess growth hormone release by the pituitary gland.

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Publication of He Jiankui's work on gene-edited infants would raise ethical concerns for journals, Wired and others report.

The New York Times reports that evidence linking trauma in one generation to epigenetic effects that influence subsequent generations may be overstated.

ScienceInsider reports that US National Institutes of Health researchers were told in the fall they could not obtain new human fetal tissue.

In PNAS this week: skin pigmentation evolution among KhoeSan, biomarkers for dengue virus progression, and more.