Article (Scientific journals)
Comparison of serum fractionation methods by data independent label-free proteomics
Baiwir, Dominique; Mazzucchelli, Gabriel; Smargiasso, Nicolas et al.
2015In EuPA Open Proteomics, 9, p. 14-22
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Keywords :
Serum prefractionnation; Repeatability; Label-free Proteomics; Data Independent; DEpletion; Equalization
Abstract :
[en] Off-line sample prefractionations applied prior to biomarker discovery proteomics are options to enable more protein identifications and detect low-abundance proteins. This work compared five commercial methods efficiency to raw serum analysis using label-free proteomics. The variability of the protein quantities determined for each process was similar to the unprefractionated serum. A 49% increase in protein identifications and 12.2% of reliable quantification were obtained. A 61 times lower limit of protein quantitation was reached compared to protein concentrations observed in raw serum. The concentrations of detected proteins were confronted to estimated reference values.
Disciplines :
Human health sciences: Multidisciplinary, general & others
Chemistry
Biochemistry, biophysics & molecular biology
Author, co-author :
Baiwir, Dominique  ;  Université de Liège > GIGA-Management : Plate-forme protéomique
Mazzucchelli, Gabriel  ;  Université de Liège > Center for Analytical Research and Technology (CART)
Smargiasso, Nicolas ;  Université de Liège > Département de chimie (sciences) > Laboratoire de spectrométrie de masse (L.S.M.)
QUESADA CALVO, Florence ;  Centre Hospitalier Universitaire de Liège - CHU > Gastro-Entérologie-Hépatologie
De Pauw, Edwin  ;  Université de Liège > Département de chimie (sciences) > Laboratoire de spectrométrie de masse (L.S.M.)
MALAISE, Michel ;  Centre Hospitalier Universitaire de Liège - CHU > Rhumatologie
Louis, Edouard  ;  Université de Liège > Département des sciences cliniques > Hépato-gastroentérologie
MEUWIS, Marie-Alice  ;  Centre Hospitalier Universitaire de Liège - CHU > Gastro-Entérologie-Hépatologie
Language :
English
Title :
Comparison of serum fractionation methods by data independent label-free proteomics
Publication date :
December 2015
Journal title :
EuPA Open Proteomics
eISSN :
2212-9685
Publisher :
Elsevier
Volume :
9
Pages :
14-22
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 12 September 2015

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