embryo
• impaired gastrulation of the pluripotent epiblast
|
• mesendoderm specification is blocked at E6.5, as shown by failure to properly induce mesendoderm markers (Eomes, Gsc, and Brachyury)
|
• no clear anterior-posterior patterning at E6.5
|
• developmental delay at E7.5
|
• at E6.5
|
• prematurely reduced expression of pluripotency epiblast markers (Nanog, Pou5f1/Oct4, Sox2) at E6.5
|
• expression of neuroectoderm markers is either unaffected (Sox2 and Sox1) or even increased (Dlx5 and Hesx1) at E6.5
|
• failure to properly induce primitive streak markers (Eomes, Gsc, and Brachyury) at E6.5
|
growth/size/body
• developmental delay at E7.5
|
• at E6.5
|
mortality/aging
IMPC - WTSI
|
• homozygotes die between E7.5 and E9.5; no homozygotes are recovered at E9.5
|
nervous system
• expression of neuroectoderm markers is either unaffected (Sox2 and Sox1) or even increased (Dlx5 and Hesx1) at E6.5
|