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Title

An integrated approach based on multiplexed protein array and iTRAQ labeling for in-depth identification of pathways associated to IVF outcome

Authors
Malorni, Livia
Cicatiello, Anna Emilia
D'Esposito, Vittoria
Longobardi, Salvatore
Colacurci, Nicola
Miraglia, Nadia
Sannolo, Nicola
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Published in PLOS ONE. 2013, vol. 8, no. 10, p. e77303
Abstract The emergence of high-throughput protein quantification methodologies has enabled the comprehensive characterization by longitudinal and cross-sectional studies of biological fluids under physiological and pathological conditions. In particular, the simultaneous investigation of cytokines and growth factors signaling pathways and their associated downstream effectors by integrated multiplexed approaches offers a powerful strategy to gain insights into biological networks and processes in living systems. A growing body of research indicates that bioactive molecules of human reproductive fluids, including human follicular fluid (hFF), may affect oocyte quality, fertilization and embryo development, thus potentially influencing the physiopathology of pregnancy-related conditions. In this work, an iTRAQ labeling strategy has been complemented with a multiplexed protein array approach to analyze hFFs with the aim to investigate biological processes and pathways related to in vitro fertilization (IVF) outcome. The iTRAQ labeling strategy lead to the quantification of 89 proteins, 30 of which were differentially expressed in hFFs with successful compared to unsuccessful IVF outcome. The targeted study, based on multiplexed antibody protein arrays, allowed the simultaneous quantification of 27 low abundance proteins, including growth factors, chemokines and cytokines endowed with pro- and anti-inflammatory activity. A significant number of differentially regulated proteins were involved in biological functions related to blood coagulation, acute phase response signaling and complement system. Overall, the present results provide an integrated overview of protein changes in hFFs associated to IVF outcome, thus improving current knowledge in reproductive medicine and fertility research.
Keywords Computational BiologyCross-Sectional StudiesCytokines/metabolismFemaleFertilization in VitroFollicular Fluid/metabolismHumansIntercellular Signaling Peptides and Proteins/metabolismOocytes/metabolismPregnancyPregnancy OutcomeProtein Array Analysis/methodsProteomeProteomics/methodsReproducibility of ResultsSignal Transduction
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PMID: 24146976
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Research group Chimie et protéomique clinique (270)
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SEVERINO, Valeria et al. An integrated approach based on multiplexed protein array and iTRAQ labeling for in-depth identification of pathways associated to IVF outcome. In: PLOS ONE, 2013, vol. 8, n° 10, p. e77303. https://archive-ouverte.unige.ch/unige:41738

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Deposited on : 2014-11-12

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