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. 2008 Jul;22(7):1673–1681. doi: 10.1210/me.2008-0058

Table 2.

The JAK1−/− and +/− Backgrounds Rescued Placental Defects and Embryonic Lethality in SOCS3-Deficient Mice

SOCS3
+/+ +/− −/−
JAK1 +/+ 4 7 0
+/− 11 20 10 (2) (dead)
−/− 3 5 4
SOCS3 heterozygous intercross 55 106 0

SOCS3-deficient embryos died around E12.5–E15.5, and no viable embryos were detected at term; however, viable SOCS3−/− embryos were detected at term (E18.5) in the JAK1−/− and +/− background.