KIAA1109: KIAA1109 is a gene associated with a range of autoimmune diseases, including rheumatoid arthritis, systemic lupus erythematosus, and inflammatory bowel disease. While its exact function is not fully understood, it is thought to play a key role in immune regulation and the body’s inflammatory responses. Studying KIAA1109 is important for understanding the genetic basis of autoimmune disorders and for guiding the development of targeted therapies.