A low-intensity ultrasound treatment may help prevent arthritis after joint injuries by shifting the body’s immune response from inflammation to healing, according to a new study.
Researchers at the University of Alabama in Huntsville found that the non-invasive therapy reprogrammed macrophages, immune cells that regulate inflammation, into a repair-promoting state while reducing inflammatory activity linked to post-traumatic osteoarthritis.
The findings, published in Scientific Reports, suggested the approach could help protect cartilage and improve healing after injuries that might otherwise lead to long-term joint damage.
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Joint injuries affect millions of people each year. While inflammation is a normal part of the healing process, it can sometimes persist long after the injury has healed. This prolonged immune response gradually damages cartilage, increasing the risk of developing osteoarthritis years later.
Lead researcher Dr Anuradha Subramanian, professor of
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