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What is AB Variant Gangliosidosis GM2?

    Inherited diseases characterized by the accumulation of G(M2) GANGLIOSIDE in central nervous system lysosomes and variably in other tissues. Subtypes include TAY-SACHS DISEASE and SANDHOFF DISEASE, as well as an AB variant of BETA-N-ACETYLHEXOSAMINIDASE deficiency and an adult onset form of GM2 Gangliosidosis.