Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0019214 (hepatosplenomegaly)
 4,408 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The inborn errors of GM2 ganglioside metabolism cause GM2 ganglioside to accumulate within the lysosomes of the nerve cells. The majority of the patients are infants with the Tay-Sachs form of the disease associated with a severe deficiency of beta-N-Acetylhexosaminidase A (hexosaminidase A). Both Hexosaminidase A and B are deficient in Sandhoff disease. The serum total hexosaminidase and the percentage of hexosaminidase A and B were estimated in 449 patients who presented with progressive mental-motor retardation. Three cases of Tay-Sachs disease and two cases of Sandhoff disease were detected. They presented with exaggerated startle response to acoustic stimuli, seizures, optic atrophy and retinal cherry red spots in addition to psychomotor retardation. One case of Sandhoff disease had hepatosplenomegaly and skeletal deformities.
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PMID:GM2 gangliosidoses: a review of cases confirmed by beta-N-acetylhexosaminidase assay. 1082 9