Cells (IMAGE)

Johns Hopkins Medicine

Cells

Caption

Left to right: Images of an early, three day-old human embryo, five day-old human embryo, a colony of the new 3i human ESC cells developed by the Zambidis laboratory, and a colony of a conventional human ESC, which is developmentally more mature. Human ESC colonies are stained for nuclei (blue), the stem cell marker OCT4 (red), and the stem cell marker TRA-1-81 (green).

Credit

Elias Zambidis and Yulian Zhao

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