Proteomics

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Quantitative proteomics of human NPC1-I1061T mutant fibroblasts provides insights into the pathogenesis of Niemann-Pick Type C disease

ABSTRACT: Niemann-Pick type C (NPC) disease is a fatal neurodegenerative disorder characterized by the accumulation of unesterified cholesterol in the late endosomal/lysosomal compartments. Mutations in the NPC1 protein are implicated in 95% of patients with NPC disease. The most prevalent mutation is the missense mutation I1061T that occurs in approximately 15–20% of disease alleles. In this study, we have performed an isobaric labeling based quantitative analysis of proteome of NPC1-I1061T versus wild-type primary fibroblasts.

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Primary Cell, Fibroblast

SUBMITTER: Navin Rauniyar  

LAB HEAD: John R Yates, 3rd

PROVIDER: PXD001938 | Pride | 2015-04-20

REPOSITORIES: Pride

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11032012_NPC_WTvsI1061T_TMT_inj01_mudpit_01.ms2 Other
11032012_NPC_WTvsI1061T_TMT_inj01_mudpit_01.raw Raw
11032012_NPC_WTvsI1061T_TMT_inj01_mudpit_01.sqt Other
11032012_NPC_WTvsI1061T_TMT_inj01_mudpit_02.ms2 Other
11032012_NPC_WTvsI1061T_TMT_inj01_mudpit_02.raw Raw
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Publications

Quantitative Proteomics of Human Fibroblasts with I1061T Mutation in Niemann-Pick C1 (NPC1) Protein Provides Insights into the Disease Pathogenesis.

Rauniyar Navin N   Subramanian Kanagaraj K   Lavallée-Adam Mathieu M   Martínez-Bartolomé Salvador S   Balch William E WE   Yates John R JR  

Molecular & cellular proteomics : MCP 20150414 7

Niemann-Pick type C (NPC) disease is a fatal neurodegenerative disorder characterized by the accumulation of unesterified cholesterol in the late endosomal/lysosomal compartments. Mutations in the NPC1 protein are implicated in 95% of patients with NPC disease. The most prevalent mutation is the missense mutation I1061T that occurs in ∼ 15-20% of the disease alleles. In our study, an isobaric labeling-based quantitative analysis of proteome of NPC1(I1061T) primary fibroblasts when compared with  ...[more]

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