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Niemann-Pick disease - Prevention

Alternative Names

Sphingomyelinase deficiency

Prevention:

All types of Niemann-Pick are autosomal recessive. This means that both parents are carriers -- they each carry one copy of the abnormal gene without having any signs of the disease themselves.

When both parents are carriers, there is a 25% chance that their child will have the disease and a 50% chance that a child will be a carrier.

Carrier detection testing is only possible if the specific genetic defect is identified. The defects involved in Types A and B have been extensively studied, and DNA tests for these forms of Niemann-Pick are available.

Genetic defects have been identified in the DNA of many patients with Type C, so it may be possible to diagnose those who carry the abnormal gene.

A few centers offer tests to diagnose a baby still in the womb.

  • Reviewed last on: 3/14/2009
  • Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Stanley CA, Bennett MJ. Defects of metabolism in lipids. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 86.

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