1. Academic Validation
  2. Niemann-Pick C1 disease gene: homology to mediators of cholesterol homeostasis

Niemann-Pick C1 disease gene: homology to mediators of cholesterol homeostasis

  • Science. 1997 Jul 11;277(5323):228-31. doi: 10.1126/science.277.5323.228.
E D Carstea 1 J A Morris K G Coleman S K Loftus D Zhang C Cummings J Gu M A Rosenfeld W J Pavan D B Krizman J Nagle M H Polymeropoulos S L Sturley Y A Ioannou M E Higgins M Comly A Cooney A Brown C R Kaneski E J Blanchette-Mackie N K Dwyer E B Neufeld T Y Chang L Liscum J F Strauss 3rd K Ohno M Zeigler R Carmi J Sokol D Markie R R O'Neill O P van Diggelen M Elleder M C Patterson R O Brady M T Vanier P G Pentchev D A Tagle
Affiliations

Affiliation

  • 1 National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
Abstract

Niemann-Pick type C (NP-C) disease, a fatal neurovisceral disorder, is characterized by lysosomal accumulation of low density lipoprotein (LDL)-derived Cholesterol. By positional cloning methods, a gene (NPC1) with insertion, deletion, and missense mutations has been identified in NP-C patients. Transfection of NP-C fibroblasts with wild-type NPC1 cDNA resulted in correction of their excessive lysosomal storage of LDL Cholesterol, thereby defining the critical role of NPC1 in regulation of intracellular Cholesterol trafficking. The 1278-amino acid NPC1 protein has sequence similarity to the morphogen receptor PATCHED and the putative sterol-sensing regions of SREBP cleavage-activating protein (SCAP) and 3-hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase.

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