Tay-Sachs Disease
Definition
Tay-Sachs disease is a genetic disorder caused by a missing enzyme that results in the accumulation of a fatty substance in the nervous system. This disease causes disability and death.
Description
Gangliosides are fatty substances necessary for the proper development of the brain and nerve cells (nervous system). Under normal conditions, gangliosides are continuously broken down, so that an appropriate balance is maintained. In Tay-Sachs disease, the enzyme necessary for removing excess gangliosides is missing. This situation allows gangliosides to accumulate throughout the brain and is responsible for the disability associated with the disease.
Demographics
Tay-Sachs disease is particularly common...
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