Abstract
Mucopolysaccharidosis type I (MPS I) is caused by deficiency of alpha-L-iduronidase (IDUA), which impairs the degradation of glycosaminoglycans in the lysosomes. Besides glycosaminoglycans accumulation, MPS I patients present high quantities of gangliosides in the brain, liver, spleen and kidneys. This secondary accumulation has also been observed in different brain structures from Idua k…