Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
In situ hybridization analyses of the femur (A, B) and calvaria (C), showing normal levels of Col1a1, Runx2, and Osterix (Osx) expression and markedly decreased Osteocalcin (OCN) expression in ERK1−/−; ERK2flox/flox; Prx1-Cre embryos and mice. (A) E15.5; (B) E16.5 and P5; (C) P1.
