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.
A 2% agarose gel electrophoretogram. PCR products of the GSTT1 gene. Lanes 1, 3, 4 and 5 are patients with the GSTT1 active genotype (480bp band) and lane 2 represents the GSTT1- null genotype; 312bp band represents the CYP1A1 housekeeping gene, used as internal control for amplifiable DNA; M, DNA Q2 marker; N, negative control without DNA content.
