This Week in Nature

In a Nature paper published online in advance this week, an international team led by investigators at the Cancer Research UK Cambridge Institute shows that "oncogene-induced Nrf2 transcription promotes ROS [reactive oxygen species] detoxification and tumorigenesis." More specifically, by investigating ROS metabolism "in primary murine cells following the expression of endogenous oncogenic alleles of Kras, Braf and Myc," the team observed that those oncogenes actively suppressed the ROS.

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CNN reports that researchers have tied a new variant to opioid addiction risk.

Organoids derived from patients' tumors may help determine what chemotherapy treatment patients would benefit from, according to New Scientist.

An initiative from GenomeAsia 100K hopes to increase the number of South Asians in genetic research, according to NBC News.

In Science this week: genomic analysis of ancient and modern horses indicates population turnover, and more.