A tolerogenic peptide that induces suppressor of cytokine signaling (SOCS)-1 restores the aberrant control of IFN-gamma signaling in lupus-affected (NZB x NZW)F1 mice

Interferon-gamma (IFN-gamma) plays a pathogenic role in systemic lupus erythematosus (SLE). Uncontrolled IFN-gamma signaling may result from a deficiency in the negative regulator, namely, suppressor of cytokine signaling-1 (SOCS-1). We investigated the activation status of IFN-gamma signaling pathw...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 133(2009), 1 vom: 01. Okt., Seite 61-8
1. Verfasser: Sharabi, Amir (VerfasserIn)
Weitere Verfasser: Sthoeger, Zev M, Mahlab, Keren, Lapter, Smadar, Zinger, Heidy, Mozes, Edna
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Autoantigens CDR1 protein, human Nerve Tissue Proteins Peptides STAT1 Transcription Factor Socs1 protein, mouse Stat1 protein, mouse Suppressor of Cytokine Signaling 1 Protein Suppressor of Cytokine Signaling Proteins mehr... Interferon-gamma 82115-62-6
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245 1 2 |a A tolerogenic peptide that induces suppressor of cytokine signaling (SOCS)-1 restores the aberrant control of IFN-gamma signaling in lupus-affected (NZB x NZW)F1 mice 
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520 |a Interferon-gamma (IFN-gamma) plays a pathogenic role in systemic lupus erythematosus (SLE). Uncontrolled IFN-gamma signaling may result from a deficiency in the negative regulator, namely, suppressor of cytokine signaling-1 (SOCS-1). We investigated the activation status of IFN-gamma signaling pathway in SLE-afflicted (New-Zealand-BlackxNew-Zealand-White)F1 mice and determined its responsiveness when treating with a tolerogenic peptide, hCDR1, which ameliorates SLE. SOCS-1 was suppressed and pSTAT1 was enhanced in spleen-derived cells from SLE-affected mice as compared with healthy controls. Treatment with hCDR1 reversed the expression of these two molecules in association with clinical amelioration. In vitro stimulation with IFN-gamma resulted in elevated levels of SOCS-1 in cells from both vehicle and hCDR1-treated mice but this effect reached significance only in cells of the latter group, which also exhibited reduced levels of pSTAT1. Thus, SOCS-1 is diminished in SLE-affected mice, and treatment with hCDR1 results in its up-regulation thereby restoring control of IFN-gamma signaling pathway 
650 4 |a Journal Article 
650 7 |a Autoantigens  |2 NLM 
650 7 |a CDR1 protein, human  |2 NLM 
650 7 |a Nerve Tissue Proteins  |2 NLM 
650 7 |a Peptides  |2 NLM 
650 7 |a STAT1 Transcription Factor  |2 NLM 
650 7 |a Socs1 protein, mouse  |2 NLM 
650 7 |a Stat1 protein, mouse  |2 NLM 
650 7 |a Suppressor of Cytokine Signaling 1 Protein  |2 NLM 
650 7 |a Suppressor of Cytokine Signaling Proteins  |2 NLM 
650 7 |a Interferon-gamma  |2 NLM 
650 7 |a 82115-62-6  |2 NLM 
700 1 |a Sthoeger, Zev M  |e verfasserin  |4 aut 
700 1 |a Mahlab, Keren  |e verfasserin  |4 aut 
700 1 |a Lapter, Smadar  |e verfasserin  |4 aut 
700 1 |a Zinger, Heidy  |e verfasserin  |4 aut 
700 1 |a Mozes, Edna  |e verfasserin  |4 aut 
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773 1 8 |g volume:133  |g year:2009  |g number:1  |g day:01  |g month:10  |g pages:61-8 
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