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Niemann-Pick disease, type C and Roscoe Brady
Marc C Patterson1, Steven U Walkley2
1Department of Neurology, Mayo Clinic Children's Center, RO_MA_16_03ECON, 200 First Street SW, Rochester, MN 55905, United States; Department of Pediatrics and Medical Genetics, Mayo Clinic Children's Center, RO_MA_16_03ECON, 200 First Street SW, Rochester, MN 55905, United States.
Molecular Genetics and Metabolism
|December 8, 2016
Summary
Pioneering research in the 1960s uncovered defects in Niemann-Pick disease, leading to the identification of cholesterol transport issues in Niemann-Pick disease type C (NPC). This work established diagnostic methods and identified the NPC1 gene, advancing NPC research significantly.
Area of Science:
- Biochemistry
- Genetics
- Medical Research
Background:
- The Niemann-Pick family of diseases, particularly types A and B, were poorly understood until the 1960s.
- Roscoe Brady's lab discovered a defect in acid sphingomyelinase, initiating crucial research.
- Peter Pentchev investigated an unusual lipid storage disease in a mouse model, identifying a cholesterol trafficking defect.
Discussion:
- The identified cholesterol trafficking defect in a mouse model was subsequently found in human Niemann-Pick disease type C (NPC).
- This discovery became the foundation for the standard diagnostic test for NPC for over 30 years.
- Abnormal oxysterols were identified in NPC patients, later proving to be sensitive disease biomarkers.
Key Insights:
- The research defined and refined the clinical, biochemical, and pathological phenotypes of NPC through parallel studies.
- An international collaboration led to the discovery of the NPC1 gene, a critical step in understanding NPC.
- The foundational work provided essential insights for current advancements in NPC research.
Outlook:
- Continued research into cholesterol metabolism and oxysterol biomarkers is crucial for NPC.
- Genetic discoveries like NPC1 pave the way for targeted therapeutic strategies.
- The historical dedication to NPC research has created a strong basis for future breakthroughs.