These findings will help scientists understand how to better diagnose and treat the disease.
The gene, NCF1, was known by researchers, but it had not previously been linked to lupus
So what does it mean to be Irish?
The project is focused on lupus, which affects up to 1.5 million Americans.
These new findings could play a key role in tailoring individual lupus treatments.
The study looked at genetic samples of nearly 8,000 Koreans.