What is Tay-Sachs disease?Tay-Sachs disease is a rare, inherited genetic disorder that progressively damages nerve cells in the brain and spinal cord. It is caused by deficient activity of an enzyme called β-hexosaminidase A, which is needed to break down a fatty substance called GM2 ganglioside. Without enough enzyme activity, this fatty substance builds up in nerve cells in the brain and...
English
Arabic
Français
Español
Português
Türkçe
Dutch
Italiano
Russian
Romaian