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von Toerne, C. ; Kahle-Stephan, M. ; Schäfer, A. ; Ispiryan, R. ; Blindert, M. ; Hrabě de Angelis, M. ; Neschen, S. ; Ueffing, M. ; Hauck, S.M.

Apoe, Mbl2 and Psp plasma protein levels correlate with diabetic phenotype in NZO mice - an optimized rapid workflow for SRM-based quantification.

J. Proteome Res. 12, 1331-1343 (2013)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Male New Zealand Obese (NZO) mice progress through pathophysiological stages similar to humans developing obesity-associated type 2 diabetes (T2D). The current challenge is to establish quantitative proteomics from small plasma sample amounts. We established an analytical workflow that facilitates a reproducible depletion of high-abundance proteins, has high throughput applicability, and allows absolute quantification of proteins from mouse plasma samples by LC-SRM-MS. The ProteoMiner equalizing technology was adjusted to the small sample amount and reproducibility of the identifications was monitored by spike proteins. Based on the label-free relative quantification of proteins in depleted plasma of a test set of NZO mice, assays for potential candidates were designed for the setup of a targeted selected reaction monitoring (SRM) approach and absolute quantification. We could demonstrate that apolipoprotein E (Apoe), mannose-binding lectin 2 (Mbl2) and parotid secretory protein (Psp) are present at significantly different quantities in depleted plasma of diabetic NZO mice compared to non-diabetic controls using AQUA peptides. Quantification was validated for Mbl2 using the ELISA technology on non-depleted plasma. We conclude that the depletion technique is applicable to restricted sample amounts and suitable for the identification of T2D signatures in plasma.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Type 2 Diabetes ; New Zealand Obese Mouse ; Proteominer ; Depletion ; Label-free Quantification ; Selected Reaction Monitoring ; Absolute Quantification ; Aqua Peptides ; Protein Signatures; New-zealand Obese ; Mannose-binding Lectin ; Parotid Secretory Protein ; Peptide Ligand Libraries ; Apolipoprotein-e ; Metabolic Syndrome ; Cell Destruction ; Innate Immunity ; Dietary-fat ; Mouse Model
Sprache englisch
Veröffentlichungsjahr 2013
HGF-Berichtsjahr 2013
ISSN (print) / ISBN 1535-3893
e-ISSN 1535-3907
Zeitschrift Journal of Proteome Research
Quellenangaben Band: 12, Heft: 3, Seiten: 1331-1343 Artikelnummer: , Supplement: ,
Verlag American Chemical Society (ACS)
Begutachtungsstatus Peer reviewed
Institut(e) CF Metabolomics & Proteomics (CF-MPC)
Institute of Experimental Genetics (IEG)
Institute of Computational Biology (ICB)
POF Topic(s) 30203 - Molecular Targets and Therapies
90000 - German Center for Diabetes Research
30201 - Metabolic Health
30505 - New Technologies for Biomedical Discoveries
Forschungsfeld(er) Enabling and Novel Technologies
Genetics and Epidemiology
PSP-Element(e) G-505700-001
G-501900-062
G-500600-003
G-503890-001
PubMed ID 23350727
DOI 10.1021/pr3009836
WOS ID WOS:000315708000024
Scopus ID 84874617282
Erfassungsdatum 2013-01-28
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