L. ZAMIR ET AL., ELIFE, 6:E20994, 2017. During circulatory system development in chick embryos, the transcription factor Nkx2.5 makes a passing appearance in certain cells, scientists demonstrate. Its fleeting presence is important for differentiating the primitive cells that mature into the animal’s blood cells and vascular structures.
Scientists used fluorescent labels to monitor cell populations expressing such developmentally important proteins.
See L. Zamir et al., “Nkx2.5 marks angioblasts that contribute to hemogenic endothelium of the endocardium and dorsal aorta,” eLife, 6:e20994, 2017.
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