Human | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Trimester | Postnatal | |||||||||||||
1 | 2 | 3 | Neonatal | 1–12 Months | 1–10 Years | Adult | ||||||||
mRNA | - | - | + | a | a | a | + | |||||||
Activity or protein | - | - | + | + | + | + | + |
a, assumed but not demonstrated between two time points; +, present; -, apparently absent or not detectable.