👉 Nucleoalbuminuria is a condition in which the kidneys produce too much of a protein called uric acid. This can cause symptoms such as pain or swelling in the joints, and it's also linked to certain diseases including rheumatoid arthritis. Uric acid builds up when the body produces too many uric acid crystals, which are formed from the breakdown of proteins. The kidneys remove uric acid by forming a protein called urate, but this process can be disrupted due to inflammation