what is sanfilippo syndrome
The disease. Sanfilippo syndrome (MPS III) is an inherited disease and one of the mucopolysaccharidoses (MPS diseases). They are rare metabolic disorders caused by deficiencies in various lysosomal enzymes which normally help to break down different substances in the body.he disease. Sanfilippo syndrome (MPS III) is an inherited disease and one of the mucopolysaccharidoses (MPS diseases). They are rare metabolic disorders caused by deficiencies in various lysosomal enzymes which normally help to break down different substances in the body.