Cytokine-induced STAT1 activation is increased in patients with primary Sjögren's syndrome

Copyright © 2016 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 165(2016) vom: 01. Apr., Seite 60-7
1. Verfasser: Pertovaara, Marja (VerfasserIn)
Weitere Verfasser: Silvennoinen, Olli, Isomäki, Pia
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Interferon-α Interferon-γ Interleukin-6 Phosphorylation STAT Sjögren's syndrome Cytokines STAT1 Transcription Factor mehr... STAT1 protein, human Interferon-gamma 82115-62-6
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520 |a Limited data are available regarding the intracellular responses to different cytokines in primary Sjögren's syndrome (pSS). We studied the signal transducer and activator of transcription (STAT) activation profile in response to cytokine stimulations in peripheral blood mononuclear cells (PBMCs) from pSS patients by multicolor flow cytometry. The expression of the suppressors of cytokine signaling (SOCS), and interferon (IFN)-γ target genes in PBMCs was studied using quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). The induction of STAT1 phosphorylation in response to stimulation with IFN-α, IFN-γ or interleukin (IL)-6 was significantly increased in B cells and monocytes from pSS patients. Accordingly, the STAT1-mediated gene responses were significantly enhanced in PBMCs from pSS patients. Finally, the expression of SOCS1 and SOCS3 mRNA was increased in pSS patients. The results indicate increased sensitivity of immune cells from pSS patients to STAT1-activating signals, and may partly explain the IFN signature observed in pSS 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Interferon-α 
650 4 |a Interferon-γ 
650 4 |a Interleukin-6 
650 4 |a Phosphorylation 
650 4 |a STAT 
650 4 |a Sjögren's syndrome 
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650 7 |a STAT1 Transcription Factor  |2 NLM 
650 7 |a STAT1 protein, human  |2 NLM 
650 7 |a Interferon-gamma  |2 NLM 
650 7 |a 82115-62-6  |2 NLM 
700 1 |a Silvennoinen, Olli  |e verfasserin  |4 aut 
700 1 |a Isomäki, Pia  |e verfasserin  |4 aut 
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