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Isis Pharmaceuticals last month responded to objections about its use of a former executive as an expert in its patent-infringement lawsuit against Santaris Pharma, arguing to the court that a purported conflict of interest does not exist and an order allowing the expert access t

This article has been updated to clarify details regarding Traversa Therapeutics' bankruptcy proceedings.

RXi Pharmaceuticals has completed patient dosing in the second of two phase I trials of its lead drug candidate, the anti-scarring agent RXI-109, and is on track to initiating a phase II study before the end of the year, the company's top executive said last week.

Chinese state news agency Xinhua reports that a preliminary investigation has found He Jiankui performed his gene-editing work illegally.

John Mendelsohn, a former president of the University of Texas MD Anderson Cancer Center, has died, the New York Times reports.

Identical twins receive different estimates of ancestry from the same direct-to-consumer genetic testing firms, CBC reports.

In PNAS this week: chromosomal features of maize, adaptations in the vinous-throated parrotbill, and more.