Serum Soluble Triggering Receptor on Myeloid Cells-1 (sTREM-1) is Elevated in Systemic Lupus Erythematosus but does not Distinguish Between Lupus Alone and Concurrent Infection
Identifieur interne : 001168 ( Main/Exploration ); précédent : 001167; suivant : 001169Serum Soluble Triggering Receptor on Myeloid Cells-1 (sTREM-1) is Elevated in Systemic Lupus Erythematosus but does not Distinguish Between Lupus Alone and Concurrent Infection
Auteurs : Yair Molad [Israël] ; Elisheva Pokroy-Shapira [Israël] ; Tania Kaptzan [Israël] ; Assaf Monselise [Israël] ; Michal Shalita-Chesner [Israël] ; Yehudit Monselise [Israël]Source :
- Inflammation [ 0360-3997 ] ; 2013-12-01.
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Abstract
Abstract: We sought to determine serum triggering receptor expressed on myeloid cell-1 (sTREM-1) level in a cohort of patients with systemic lupus erythematosus (SLE). Serum sTREM-1 level of 98 patients with SLE and 49 healthy controls was assayed by ELISA. Serum sTREM-1 level was significantly elevated in a cohort of 78 unselected consecutively recruited patients with SLE (mean 1.1 ± 2.8 ρg/ml, median 0.02 ρg/ml) compared to that of the controls (mean 0.11 ± 0.3 ρg/ml, median 0 ρg/ml; p < 0.0001). We also determined serum sTREM-1 level of 20 SLE patients with a concurrent infection (mean 0.6 ± 1.1 ρg/ml, median 0.12 ρg/ml) and found it not statistically significant compared with that of the patients without infection. Serum sTREM-1 level did not correlate with SLE disease activity. Our finding of elevated serum sTREM-1 level suggests an increased shedding of TREM-1 in SLE and a possible novel pathway of innate immune response in autoimmunity.
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DOI: 10.1007/s10753-013-9694-z
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Serum sTREM-1 level of 98 patients with SLE and 49 healthy controls was assayed by ELISA. Serum sTREM-1 level was significantly elevated in a cohort of 78 unselected consecutively recruited patients with SLE (mean 1.1 ± 2.8 ρg/ml, median 0.02 ρg/ml) compared to that of the controls (mean 0.11 ± 0.3 ρg/ml, median 0 ρg/ml; p < 0.0001). We also determined serum sTREM-1 level of 20 SLE patients with a concurrent infection (mean 0.6 ± 1.1 ρg/ml, median 0.12 ρg/ml) and found it not statistically significant compared with that of the patients without infection. Serum sTREM-1 level did not correlate with SLE disease activity. 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