Understanding Calcinosis in JM: Advances in Treatment and Research Results

Dr. Christian Lood is a professor and researcher who studies autoimmune diseases, focusing on a condition called juvenile myositis (JDM) that affects kids’ muscles and skin. He works with a group of doctors and scientists at the University of Washington and Seattle Children’s Hospital to find better treatments for children with JDM.

At the October 25th Town Hall, Dr. Lood explained his research on Calcinosis, which is when hard lumps of calcium build up in muscles and skin. These lumps can make it hard to move and can be painful. He and his team are trying to understand why Calcinosis happens. They know that some kids with certain antibodies (proteins in their blood) are more likely to get Calcinosis, but they’re still learning how these antibodies play a role.

Dr. Lood’s team has discovered that tiny parts of our cells called mitochondria, which give us energy, can get hurt when there’s inflammation (swelling) or an injury. When these mitochondria are damaged, they can start to hold onto too much calcium and eventually become hard like crystals. This process might be how Calcinosis begins.

The team is working on ways to track these changes in the blood, which could help doctors predict if a child might develop Calcinosis. They are also studying different medicines to see if they can prevent this calcium buildup. Dr. Lood and his team want families to know that their help with research is super valuable. Sharing samples and data with doctors helps scientists understand JDM and find better ways to help kids feel stronger and healthier.

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