Tay-Sachs Disease is a progressive and fatal genetic condition that involves a complete deficiency of the hexosaminidase-A (HEXA) enzyme. This enzyme is needed in healthy individuals for the process of hydrolysis of GM2 ganglioside to occur. For individuals with Tay-Sachs disease that lack this enzyme, the fatty substance of GM2 ganglioside accumulates in the brain and leads to the symptoms of the disease.
Tay-Sachs carriers are found most frequently among families of eastern European Jewish descent (Ashkenazi Jews). In the United kingdom today, approximately one in every 27 is having a Tay-Sachs carrier. Major research going on Tay-Sachs Disease in National Tay-Sachs & Allied Diseases
There's currently no cure for Tay-Sachs disease, so the aim of treatment is to make living with the condition as comfortable as possible. Treatment usually focuses on the Preventing problems with the lungs and airways, relieving any feeding or swallowing problems (dysphagia) and using medication to help control or relieve symptoms, such as fits and muscle stiffness.