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  "path": "/news/2026-03-key-protein-cartilage-osteoarthritis-treatment.html",
  "publishedAt": "2026-03-20T10:40:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Osteoarthritis, a condition that causes pain and reduced mobility in joints such as the knees and fingers, is one of the most common joint disorders worldwide, particularly among aging populations. The disease is characterized by the gradual breakdown of cartilage, which normally cushions the bones within joints.",
  "title": "Key protein found to protect cartilage, offering new hope for osteoarthritis treatment"
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