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Institute of Bioengineering scientists discover promising protein to treat osteoarthritis

New research from the Institute of Bioengineering at Queen Mary University of London, suggests that a protein found predominantly in healthy cartilage, could hold the key to treating osteoarthritis. Researchers used an in vitro cell-agarose model of cartilage and added a protein called CNP that is naturally found in healthy cartilage tissue. They compressed the gel, exposing it to deformation similar to when a person does moderate exercise in real life. Examining the gel samples after the experiment, they found two new protective proteins that have anti-inflammatory and reparative effects. They also found that the effects of CNP change as person gets older and has more diseased cartilage.

"While these are early results, the findings could be useful in treating osteoarthritis, which is the most common type of arthritis and affects more than 8 million people in the UK", explains Dr Nick Peake. Lead researcher, Dr Tina Chowdhury, said: "We are very excited about the potential for this work and the next step is to replicate results in a diseased animal model before the benefits can be translated to patients".

Arthritis Research UK's Medical director, Professor Alan Silman welcomed the results of the study, adding: "This is an exciting piece of research. We know that exercise is essential to keep cartilage healthy and protect the joints against arthritis. Applying this knowledge to the treatment of osteoarthritis, where cartilage loss is substantial, has been challenging. If these preliminary results are validated in further research they could offer a novel and much needed approach to treating the underlying cause of this distressing disorder and not just reducing the symptoms."

The research is funded by Arthritis Research UK and published in the journal Arthritis Research and Therapy.

News date: 18 October 2013

Updated by: David Lockwood

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