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.
Relative mRNA expression of uptake and efflux transporters: (A) in human heart, normal and tumorous breast tissue; 5-donor-pooled sample; (B) in breast cancer cell lines MCF-7, MDA-MB-231, and ZR-75-1 (each of 3 measurements in duplicate, reference genes: 18S/GAPDH; * for significant differences between normal and tumorous breast tissue, ° for significant differences between normal breast and cardiac tissue).
