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Sera From Patients With Active Systemic Lupus Erythematosus Patients Enhance The Toll-Like Receptor 4 Response In Monocyte Subsets, Tiago Carvalheiro, Diane Gomes, Ligia A. Pinto, Luis Inês, Ana Lopes, Ana Henriques, Susana Pedreiro, António Martinho, Hélder Trindade, Howard A. Young, José António Pereira Da Silva, Artur Paiva
Sera From Patients With Active Systemic Lupus Erythematosus Patients Enhance The Toll-Like Receptor 4 Response In Monocyte Subsets, Tiago Carvalheiro, Diane Gomes, Ligia A. Pinto, Luis Inês, Ana Lopes, Ana Henriques, Susana Pedreiro, António Martinho, Hélder Trindade, Howard A. Young, José António Pereira Da Silva, Artur Paiva
Public Health Resources
Background: Systemic Lupus Erythematosus (SLE) is an auto-immune disease whose complex pathogenesis remains unraveled. Here we aim to explore the inflammatory ability of SLE patients' sera upon peripheral blood (PB) monocyte subsets and myeloid dendritic cells (mDCs) obtained from healthy donors. Methods: In this study we included 11 SLE patients with active disease (ASLE), 11 with inactive disease (ISLE) and 10 healthy controls (HC). PB from healthy donors was stimulated with patients' sera, toll-like receptor (TLR) 4 ligand - lipopolysaccharide or both. The intracellular production of TNF-α was evaluated in classical, non-classical monocytes and mDCs, using flow cytometry. TNF-α mRNA …