This Week in PNAS

In this week's PNAS Early Edition, an international research team led by investigators at the Chung-Ang University College of Medicine in Seoul describe how it induced self-renewal in human somatic progenitor cells in an efficient, safe, and therapeutically effective manner with one "regulatable gene," v-myc. The team created "induced conditional self-renewing progenitor cells" by introducing v-myc via a Tet-on gene expression system.

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Reuters reports that UK researchers are using gene-editing tools to develop flu-resistant chickens.

Vox explores a proposal to institute a lottery system to award grant funds.

In Genome Biology this week: gut microbiome study of individuals from Tanzania and Botswana, sixth version of the Network of Cancer Genes database, and more.

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