The illness affects about 4,000 Americans, 80 percent of whom are women.
The funds were raised at Rainbolt’s 90th birthday party, which included a private concert by country music legend Willie Nelson.
Four-leaf clovers are said to represent good luck. They also represent something else: genetic mutation.
Osteoarthritis is the most common form of disability in the U.S., affecting nearly 31 million Americans.
The grants cover a range of areas, including colitis and colon cancer, sepsis, genomic tools, and outreach strategies for clinical trials.
The gene, NCF1, was known by researchers, but it had not previously been linked to lupus