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Pagani M.,INGM National Institute for Molecular Genetics | Rockstroh M.,Helmholtz Center for Environmental Research | Schuster M.,Helmholtz Center for Environmental Research | Rossetti G.,INGM National Institute for Molecular Genetics | And 3 more authors.
Proteomics | Year: 2015

The differentiation of human CD4+ T cells into T helper cell subtypes and regulatory T cells is crucial to the immune response. Among subtypes, Th1 cells are dominant, representing approximately 50% of all lymphocytes. Thus far, most global proteomic studies have used only partially purified T helper cell subpopulations and/or have employed artificial protocols for inducing specific T helper cell subtypes and/or used gel-based approaches. These studies have shed light on molecular details of certain aspects of the proteome; nevertheless a global analysis of high purity primary naïve and Th1 cells by LC-MS/MS is required to provide a reference dataset for proteome-based T cell subtype characterization. The utilization of highly purified Th1 cells for a global proteome assessment and the bioinformatic comparison to naïve cells reveals changes in cell metabolism and the ubiquitination pathway upon T cell differentiation. All MS data have been deposited in the ProteomeXchange with identifier PXD001066 (http://proteomecentral.proteomexchange.org/dataset/PXD001066). © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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