There is currently no blood test for early-stage osteoarthritis, a degenerative joint disease where the cartilage that eases and cushions movement breaks down, causing pain, swelling, and problems moving the joint. Now, researchers at Warwick University in the United Kingdom have developed a blood test that can provide an early diagnosis of osteoarthritis and distinguish it from rheumatoid arthritis and other inflammatory joint diseases.
blood testing in lab
The new blood test looks for chemical signatures in damaged fragments of proteins or amino acids.

The researchers, led by Dr. Naila Rabbani of Warwick Medical School, report how they developed the new blood test in the journal Arthritis Research & Therapy.

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