Proteomics

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Mouse splenocyte proteome - Proteome characterization of splenocytes from an Aβpp/ps-1 Alzheimer's disease model


ABSTRACT: Splenocytes from 14-month Alzheimer's Disease mouse model were separated with CD90.2 magetic beads into two cell subsets: CD90+ and CD90-. Proteome for these two subset were characterized with offline SCX-nanoLC-MS/MS. MS data was analyzed with Proteome Discoverer 1.3 software. MS/MS spectra were searched against the IPI mouse database (August 16, 2012, 59 534 sequences). SEQUEST search parameters were as follows: two maximum trypsin miscleavages; precursor and fragment mass tolerances of 10 ppm and 0.8 Da, respectively; carbamidomethyl modification on cysteine was a static modification; oxidation of methionine was a dynamic modification. Decoy database searching was employed to control the false discovery rate (FDR) and generate lists of peptides with high (FDR < 0.01) and medium (FDR < 0.05) confidence.

REANALYSED by: PAe005206

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Mus Musculus (mouse)

SUBMITTER: Zhiyun Cao  

PROVIDER: PXD000203 | Pride | 2014-01-31

REPOSITORIES: Pride

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Proteome characterization of splenocytes from an Aβpp/ps-1 Alzheimer's disease model.

Cao Zhiyun Z   Robinson Renã A S RA  

Proteomics 20140106 2-3


Alzheimer's disease (AD) is the sixth leading cause of US deaths. In addition to neurodegenerative deficits in AD, changes in the immune system have also been observed. Proteomic analysis of specific immune cell populations may help gain insights into mechanisms of peripheral immunity in AD. Herein, we report proteome characterization for two subsets of splenocytes (i.e. CD90+ cells and a heterogeneous pool of CD90- cells) from a double transgenic mutant amyloid precursor protein/presenilin-1 (A  ...[more]

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