Danon disease is a rare genetic condition characterized by weakening of the heart muscle (cardiomyopathy), skeletal muscles myopathy, and intellectual disability.
The symptoms of Danon disease vary from case to case and depend on gender. Condition is characterized by cardiomyopathy, weakening of the skeletal muscles, and intellectual disability. Males usually develop the signs and symptoms of the condition earlier than females and are more severely affected. In males, the symptoms typically present in childhood or adolescence, while females may not have symptoms until early adulthood.
Danon disease is caused by a mutations in LAMP2 gene.