Understanding Mucopolysaccharidosis I: A Brief Overview Mucopolysaccharidosis I, commonly referred to as MPS I, is a rare genetic disorder that belongs to a group of conditions known as lysosomal storage disorders. It results from a deficiency in the enzyme alpha-L-iduronidase, which is responsible for breaking down glycosaminoglycans (GAGs), complex carbohydrates that play a critical role […]