embryo
• no hallmarks typical of gastrulating embryos are observed at E7.5
|
• embryos arrest prior to gastrulation
|
• embryos are much smaller than controls at E7.5
|
• a rudimentary egg cylinder is observed at E7.5
|
• no head folds are present at E7.5
|
• no embryonic node is present at E7.5
|
• no morphological evidence of primitive streak formation is observed at E7.5
|
growth/size/body
• embryos are much smaller than controls at E7.5
|
mortality/aging
IMPC - JAX
|
IMPC - JAX
|
• homozygous embryos are recovered at E7.5 (13% versus expected 25%, n=30) and arrest prior to gastrulation; no homozygous embryos are recovered at E9.5
|