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.
Real-time polymerase chain reaction (PCR) analysis of Tll-1 and Nkx2–5 mRNA expression in the hearts of Nkx2–5 knockout (KO) mouse embryos, heterozygous (HET) Nkx2–5 knockout mouse embryos, and wild type (WT) mouse embryos. Asterisks indicate statistical significance by anova. * P < 0.05; ** P < 0.001.
