Lysosomal storage disorders are caused by an inherited inability to break down certain sugars or fats in the body. When a person has one of these conditions, they don't produce the enzymes they need to break down these substances at a cellular level. This leads to a build-up of these substances and the development of a lysosomal storage disease. Most lysosomal storage disorders can only develop when a child inherits an abnormal gene from both parents.
There are many lysosomal storage diseases. Currently, experts have discovered more than 40, with new ones being identified all the time. Different lysosomal diseases cause different symptoms and affect people with varying severity. Common varieties include Gaucher disease, Fabry disease, Hunter disease, and Tay-Sachs disease. Each disorder affects a different enzyme responsible for breaking down a particular substance in the body.
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