mortality/aging
• die during peri-implantation stages
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embryo
• cultured E2.5 embryos show high levels of apoptosis in the inner cell mass at E4.5 leading to absence of the inner cell mass 2 days later in hatching embryos
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• at E5.5 deciduas with a high percentage of apoptotic cells within the embryonic body are seen
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• E2.5 embryos cultured until E6.5-E7.5 contain trophoblast cells with smaller nuclei
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cellular
• cultured E2.5 embryos show high levels of apoptosis in the inner cell mass at E4.5 leading to absence of the inner cell mass 2 days later in hatching embryos
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• at E5.5 deciduas with a high percentage of apoptotic cells within the embryonic body are seen
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