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Mucopolysaccharidoses

Mucopolysaccharidoses (MPSs) are a group of rare diseases in which the body is missing or does not have enough of an enzyme needed to break down long chains of sugar molecules. These chains of molecules are called glycosaminoglycans (formerly called mucopolysaccharides). As a result, the molecules build up in different parts of the body and cause various health problems. There are several other types of MPSs, including:

  • MPS I (Hurler syndrome; Hurler-Scheie syndrome; Scheie syndrome)
  • MPS II (Hunter syndrome)
  • MPS III (Sanfilippo syndrome)
  • MPS IV (Morquio syndrome)

Alternative Names

MPS; Lysosomal storage disease - mucopolysaccharidosis

References

Pyeritz RE. Inherited diseases of connective tissue. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 260.

Spranger JW. Mucopolysaccharidoses. In: Kliegman RM, St Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 107.

Turnpenny PD, Ellard S. Inborn errors of metabolism. In: Turnpenny PD, Ellard S, eds. Emery's Elements of Medical Genetics. 15th ed. Philadelphia, PA: Elsevier; 2017:chap 18.

Review Date 4/24/2019

Updated by: Anna C. Edens Hurst, MD, MS, FACMG, Assistant Professor in Medical Genetics, The University of Alabama at Birmingham, Birmingham, AL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.