Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells.

Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells. Research Abstract Details 

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Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells. Abstract Text:

Sharon J Pitteri,Vitor M Faca,Karen S Kelly-Spratt,A Erik Kasarda,Hong Wang,Qing Zhang,Lisa Newcomb,Alexei Krasnoselsky,Sophie Paczesny,Gina Choi,Matthew Fitzgibbon,Martin W McIntosh,Christopher J Kemp,Samir M Hanash,

We have applied an in-depth quantitative proteomic approach, combining isotopic labeling extensive intact protein separation and mass spectrometry, for high confidence identification of protein changes in plasmas from a mouse model of breast cancer. We hypothesized that a wide spectrum of proteins may be up-regulated in plasma with tumor development and that comparisons with proteins expressed in human breast cancer cell lines may identify a subset of up-regulated proteins in common with proteins expressed in breast cancer cell lines that may represent candidate biomarkers for breast cancer. Plasma from PyMT transgenic tumor-bearing mice and matched controls were obtained at two time points during tumor growth. A total of 133 proteins were found to be increased by 1.5-fold or greater at one or both time points. A comparison of this set of proteins with published findings from proteomic analysis of human breast cancer cell lines yielded 49 proteins with increased levels in mouse plasma that were identified in breast cancer cell lines. Pathway analysis comparing the subset of up-regulated proteins known to be expressed in breast cancer cell lines with other up-regulated proteins indicated a cancer related function for the former and a host-response function for the latter. We conclude that integration of proteomic findings from mouse models of breast cancer and from human breast cancer cell lines may help identify a subset of proteins released by breast cancer cells into the circulation and that occur at increased levels in breast cancer.

Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells. Publishing Authors By Initials

SJ Pitteri,VM Faca,KS Kelly-Spratt,AE Kasarda,H Wang,Q Zhang,L Newcomb,A Krasnoselsky,S Paczesny,G Choi,M Fitzgibbon,MW McIntosh,CJ Kemp,SM Hanash,

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Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of proteome research

VOLUME: 7

Page Numbers: 1481-9

Journal Abbreviation: J. Proteome Res.

ISSN: 1535-3893

DAY: 27

MONTH: 02

YEAR: 2008

Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells. Information

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LANGUAGE: eng

NlmUniqueID: 101128775

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Grant and Affiliation Information for Plasma proteome profiling of a mouse model of breast cancer identifies a set of up-regulated proteins in common with human breast cancer cells.

AFFILIATION: spitteri@fhcrc.org.

Country: United States

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MEDLINETA: J Proteome Res

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