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.
Principal component (PC) analysis of ancestry-informative genetic markers in patients with systemic lupus erythematosus of various self-reported ancestral backgrounds. PC1, PC2, and PC3 correspond to the first, second, and third principal components from this analysis, and each dot represents 1 subject who is color-coded by self-reported ancestral background. A. PC1 vs PC2; B. PC2 vs PC3. AA: African-American; EA: European-American; HA: Hispanic American.
