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Guardant Health: Helmy Eltoukhy, AmirAli Talasaz, Meghan Joyce

Helmy Eltoukhy, CEO of Guardant Health, and AmirAli Talasaz, the company's president and chief operating officer, will serve as co-CEOs going forward. Both will also continue to be company directors, and Eltoukhy will assume the role of board chairman.

In addition, Meghan Joyce has been appointed as an independent director of Guardant. She is chief operating officer and executive VP of platform at Oscar Health. Prior to that, she held several roles at Uber Technologies, most recently regional general manager of the US and Canada. She holds a master's degree from Harvard Business School and a bachelor's degree from Harvard College.

The Scan

RNA Editing in Octopuses Seems to Help Acclimation to Shifts in Water Temperature

A paper in Cell reports that octopuses use RNA editing to help them adjust to different water temperatures.

Topical Compound to Block EGFR Inhibitors May Ease Skin Toxicities, Study Finds

A topical treatment described in Science Translational Medicine may limit skin toxicities seen with EGFR inhibitor therapy.

Dozen Genetic Loci Linked to Preeclampsia Risk in New GWAS

An analysis of genome-wide association study data in JAMA Cardiology finds genetic loci linked to preeclampsia that have ties to blood pressure.

Cancer Survival Linked to Mutational Burden in Pan-Cancer Analysis

A pan-cancer paper appearing in JCO Precision Oncology suggests tumor mutation patterns provide clues for predicting cancer survival that are independent of other prognostic factors.