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Tay–Sachs disease is an inherited lysosomal storage disease that results in the destruction of nerve cells in the brain and spinal cord. [1] The most common form is infantile Tay–Sachs disease, which becomes apparent around the age of three to six months of age, with the infant losing the ability to turn over, sit, or crawl. [1]
Tay–Sachs disease is a rare autosomal recessive genetic disorder that causes a progressive deterioration of nerve cells and of mental and physical abilities that begins around six months of age and usually results in death by the age of four. It is the most common of the GM2 gangliosidoses.
Many lipid storage disorders can be classified into the subgroup of sphingolipidoses, as they relate to sphingolipid metabolism. Members of this group include Niemann-Pick disease, Fabry disease, Krabbe disease, Gaucher disease, Tay–Sachs disease, metachromatic leukodystrophy, multiple sulfatase deficiency, and Farber disease.
The main members of this group are Niemann–Pick disease, Fabry disease, Krabbe disease, Gaucher disease, Tay–Sachs disease and metachromatic leukodystrophy. They are generally inherited in an autosomal recessive fashion, but notably Fabry disease is X-linked recessive .
Signs and symptoms of GM2-gangliosidosis, AB variant are identical with those of infantile Tay–Sachs disease, except that enzyme assay testing shows normal levels of hexosaminidase A. [2] Infantile Sandhoff disease has similar symptoms and prognosis, except that there is deficiency of both hexosaminidase A and hexosaminidase B. Infants with this disorder typically appear normal until the age ...
Sandhoff disease symptoms are clinically indeterminable from Tay–Sachs disease. The classic infantile form of the disease has the most severe symptoms and is incredibly hard to diagnose at this early age. [6] The first signs of symptoms begin before 6 months of age and the parents' notice when the child begins regressing in their development.
Hyperacusis symptoms can include an increased perception of the loudness of sounds (loudness hyperacusis), ... Tay–Sachs disease [30] Temporomandibular joint disorder;
In 1881, Waren (often misspelt Warren) Tay first described the red spot on the retina of the eye that is present in Tay–Sachs disease. [1] He reported this condition in the Volume I edition of the Ophthalmological Society, an organization in which he was a founding member. Here he described the symptoms in a child who also had neurological ...